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Finding the Fourth Proportional to 157,207.94, 216,950.86 and 85,591.89

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Solution

The fourth proportional to 157,207.94, 216,950.86 and 85,591.89 is: 118,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,207.94 : 216,950.86 = 85,591.89 : x
  2. Step 2: Convert to fraction form
    157,207.94/216,950.86 = 85,591.89/x
  3. Step 3: Cross multiply
    157,207.94x = 216,950.86 × 85,591.89
  4. Step 4: Simplify right side
    157,207.94x = 18,569,234,144.53
  5. Step 5: Solve for x
    x = 18,569,234,144.53/157,207.94
  6. Step 6: Final answer
    x = 118,118.93

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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.