Home / 119,302.47-178,564.30-87,704.17

Finding the Fourth Proportional to 119,302.47, 178,564.30 and 87,704.17

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Solution

The fourth proportional to 119,302.47, 178,564.30 and 87,704.17 is: 131,269.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,302.47 : 178,564.30 = 87,704.17 : x
  2. Step 2: Convert to fraction form
    119,302.47/178,564.30 = 87,704.17/x
  3. Step 3: Cross multiply
    119,302.47x = 178,564.30 × 87,704.17
  4. Step 4: Simplify right side
    119,302.47x = 15,660,833,057.46
  5. Step 5: Solve for x
    x = 15,660,833,057.46/119,302.47
  6. Step 6: Final answer
    x = 131,269.98

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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.