Home / 119,331.27-178,987.50-69,379.47

Finding the Fourth Proportional to 119,331.27, 178,987.50 and 69,379.47

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Solution

The fourth proportional to 119,331.27, 178,987.50 and 69,379.47 is: 104,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,331.27 : 178,987.50 = 69,379.47 : x
  2. Step 2: Convert to fraction form
    119,331.27/178,987.50 = 69,379.47/x
  3. Step 3: Cross multiply
    119,331.27x = 178,987.50 × 69,379.47
  4. Step 4: Simplify right side
    119,331.27x = 12,418,057,886.63
  5. Step 5: Solve for x
    x = 12,418,057,886.63/119,331.27
  6. Step 6: Final answer
    x = 104,063.74

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1.5x scale

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.