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Finding the Fourth Proportional to 150,061.50, 207,088.71 and 90,449.34

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Solution

The fourth proportional to 150,061.50, 207,088.71 and 90,449.34 is: 124,822.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,061.50 : 207,088.71 = 90,449.34 : x
  2. Step 2: Convert to fraction form
    150,061.50/207,088.71 = 90,449.34/x
  3. Step 3: Cross multiply
    150,061.50x = 207,088.71 × 90,449.34
  4. Step 4: Simplify right side
    150,061.50x = 18,731,037,140.95
  5. Step 5: Solve for x
    x = 18,731,037,140.95/150,061.50
  6. Step 6: Final answer
    x = 124,822.40

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