Home / 144,624.52-199,558.08-90,871.47

Finding the Fourth Proportional to 144,624.52, 199,558.08 and 90,871.47

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Solution

The fourth proportional to 144,624.52, 199,558.08 and 90,871.47 is: 125,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,624.52 : 199,558.08 = 90,871.47 : x
  2. Step 2: Convert to fraction form
    144,624.52/199,558.08 = 90,871.47/x
  3. Step 3: Cross multiply
    144,624.52x = 199,558.08 × 90,871.47
  4. Step 4: Simplify right side
    144,624.52x = 18,134,136,079.98
  5. Step 5: Solve for x
    x = 18,134,136,079.98/144,624.52
  6. Step 6: Final answer
    x = 125,387.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.