Home / 177,824.92-266,737.56-71,257

Finding the Fourth Proportional to 177,824.92, 266,737.56 and 71,257

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Solution

The fourth proportional to 177,824.92, 266,737.56 and 71,257 is: 106,885.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,824.92 : 266,737.56 = 71,257 : x
  2. Step 2: Convert to fraction form
    177,824.92/266,737.56 = 71,257/x
  3. Step 3: Cross multiply
    177,824.92x = 266,737.56 × 71,257
  4. Step 4: Simplify right side
    177,824.92x = 19,006,918,312.92
  5. Step 5: Solve for x
    x = 19,006,918,312.92/177,824.92
  6. Step 6: Final answer
    x = 106,885.57

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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.