Home / 119,084.04-178,669.68-85,841.64

Finding the Fourth Proportional to 119,084.04, 178,669.68 and 85,841.64

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Solution

The fourth proportional to 119,084.04, 178,669.68 and 85,841.64 is: 128,793.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,084.04 : 178,669.68 = 85,841.64 : x
  2. Step 2: Convert to fraction form
    119,084.04/178,669.68 = 85,841.64/x
  3. Step 3: Cross multiply
    119,084.04x = 178,669.68 × 85,841.64
  4. Step 4: Simplify right side
    119,084.04x = 15,337,298,349.48
  5. Step 5: Solve for x
    x = 15,337,298,349.48/119,084.04
  6. Step 6: Final answer
    x = 128,793.90

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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.