Home / 119,305.08-178,885.80-52,711.20

Finding the Fourth Proportional to 119,305.08, 178,885.80 and 52,711.20

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Solution

The fourth proportional to 119,305.08, 178,885.80 and 52,711.20 is: 79,035.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,305.08 : 178,885.80 = 52,711.20 : x
  2. Step 2: Convert to fraction form
    119,305.08/178,885.80 = 52,711.20/x
  3. Step 3: Cross multiply
    119,305.08x = 178,885.80 × 52,711.20
  4. Step 4: Simplify right side
    119,305.08x = 9,429,285,180.96
  5. Step 5: Solve for x
    x = 9,429,285,180.96/119,305.08
  6. Step 6: Final answer
    x = 79,035.07

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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.