Home / 558,148.52-837,222.78-137,424.40

Finding the Fourth Proportional to 558,148.52, 837,222.78 and 137,424.40

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Solution

The fourth proportional to 558,148.52, 837,222.78 and 137,424.40 is: 206,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,148.52 : 837,222.78 = 137,424.40 : x
  2. Step 2: Convert to fraction form
    558,148.52/837,222.78 = 137,424.40/x
  3. Step 3: Cross multiply
    558,148.52x = 837,222.78 × 137,424.40
  4. Step 4: Simplify right side
    558,148.52x = 115,054,836,630.12
  5. Step 5: Solve for x
    x = 115,054,836,630.12/558,148.52
  6. Step 6: Final answer
    x = 206,136.60

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.