Home / 150,306.95-207,426.94-85,774.89

Finding the Fourth Proportional to 150,306.95, 207,426.94 and 85,774.89

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Solution

The fourth proportional to 150,306.95, 207,426.94 and 85,774.89 is: 118,371.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,306.95 : 207,426.94 = 85,774.89 : x
  2. Step 2: Convert to fraction form
    150,306.95/207,426.94 = 85,774.89/x
  3. Step 3: Cross multiply
    150,306.95x = 207,426.94 × 85,774.89
  4. Step 4: Simplify right side
    150,306.95x = 17,792,023,524.95
  5. Step 5: Solve for x
    x = 17,792,023,524.95/150,306.95
  6. Step 6: Final answer
    x = 118,371.27

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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.