Home / 132,715.04-183,147.84-72,285.92

Finding the Fourth Proportional to 132,715.04, 183,147.84 and 72,285.92

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Solution

The fourth proportional to 132,715.04, 183,147.84 and 72,285.92 is: 99,755.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,715.04 : 183,147.84 = 72,285.92 : x
  2. Step 2: Convert to fraction form
    132,715.04/183,147.84 = 72,285.92/x
  3. Step 3: Cross multiply
    132,715.04x = 183,147.84 × 72,285.92
  4. Step 4: Simplify right side
    132,715.04x = 13,239,010,110.41
  5. Step 5: Solve for x
    x = 13,239,010,110.41/132,715.04
  6. Step 6: Final answer
    x = 99,755.16

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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.