Home / 127,806.87-176,373.14-74,123.04

Finding the Fourth Proportional to 127,806.87, 176,373.14 and 74,123.04

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Solution

The fourth proportional to 127,806.87, 176,373.14 and 74,123.04 is: 102,289.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,806.87 : 176,373.14 = 74,123.04 : x
  2. Step 2: Convert to fraction form
    127,806.87/176,373.14 = 74,123.04/x
  3. Step 3: Cross multiply
    127,806.87x = 176,373.14 × 74,123.04
  4. Step 4: Simplify right side
    127,806.87x = 13,073,312,940.53
  5. Step 5: Solve for x
    x = 13,073,312,940.53/127,806.87
  6. Step 6: Final answer
    x = 102,289.59

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Why These Related Problems?

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