Home / 372,225.10-558,337.65-91,742.35

Finding the Fourth Proportional to 372,225.10, 558,337.65 and 91,742.35

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Solution

The fourth proportional to 372,225.10, 558,337.65 and 91,742.35 is: 137,613.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,225.10 : 558,337.65 = 91,742.35 : x
  2. Step 2: Convert to fraction form
    372,225.10/558,337.65 = 91,742.35/x
  3. Step 3: Cross multiply
    372,225.10x = 558,337.65 × 91,742.35
  4. Step 4: Simplify right side
    372,225.10x = 51,223,208,104.48
  5. Step 5: Solve for x
    x = 51,223,208,104.48/372,225.10
  6. Step 6: Final answer
    x = 137,613.53

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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.