Home / 137,438.08-205,962.72-58,472.80

Finding the Fourth Proportional to 137,438.08, 205,962.72 and 58,472.80

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Solution

The fourth proportional to 137,438.08, 205,962.72 and 58,472.80 is: 87,626.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,438.08 : 205,962.72 = 58,472.80 : x
  2. Step 2: Convert to fraction form
    137,438.08/205,962.72 = 58,472.80/x
  3. Step 3: Cross multiply
    137,438.08x = 205,962.72 × 58,472.80
  4. Step 4: Simplify right side
    137,438.08x = 12,043,216,934.02
  5. Step 5: Solve for x
    x = 12,043,216,934.02/137,438.08
  6. Step 6: Final answer
    x = 87,626.49

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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.