Home / 150,306.73-207,426.64-85,774.68

Finding the Fourth Proportional to 150,306.73, 207,426.64 and 85,774.68

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Solution

The fourth proportional to 150,306.73, 207,426.64 and 85,774.68 is: 118,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,306.73 : 207,426.64 = 85,774.68 : x
  2. Step 2: Convert to fraction form
    150,306.73/207,426.64 = 85,774.68/x
  3. Step 3: Cross multiply
    150,306.73x = 207,426.64 × 85,774.68
  4. Step 4: Simplify right side
    150,306.73x = 17,791,952,829.25
  5. Step 5: Solve for x
    x = 17,791,952,829.25/150,306.73
  6. Step 6: Final answer
    x = 118,370.97

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1.5x scale

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.