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Finding the Fourth Proportional to 177,925.74, 266,737.87 and 78,010.21

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Solution

The fourth proportional to 177,925.74, 266,737.87 and 78,010.21 is: 116,949.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,925.74 : 266,737.87 = 78,010.21 : x
  2. Step 2: Convert to fraction form
    177,925.74/266,737.87 = 78,010.21/x
  3. Step 3: Cross multiply
    177,925.74x = 266,737.87 × 78,010.21
  4. Step 4: Simplify right side
    177,925.74x = 20,808,277,253.65
  5. Step 5: Solve for x
    x = 20,808,277,253.65/177,925.74
  6. Step 6: Final answer
    x = 116,949.22

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1.5x scale

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.