Home / 138,084.06-207,123.98-62,128.94

Finding the Fourth Proportional to 138,084.06, 207,123.98 and 62,128.94

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Solution

The fourth proportional to 138,084.06, 207,123.98 and 62,128.94 is: 93,192.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,084.06 : 207,123.98 = 62,128.94 : x
  2. Step 2: Convert to fraction form
    138,084.06/207,123.98 = 62,128.94/x
  3. Step 3: Cross multiply
    138,084.06x = 207,123.98 × 62,128.94
  4. Step 4: Simplify right side
    138,084.06x = 12,868,393,325.98
  5. Step 5: Solve for x
    x = 12,868,393,325.98/138,084.06
  6. Step 6: Final answer
    x = 93,192.46

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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.