Home / 119,147.28-178,747.20-40,259.76

Finding the Fourth Proportional to 119,147.28, 178,747.20 and 40,259.76

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Solution

The fourth proportional to 119,147.28, 178,747.20 and 40,259.76 is: 60,398.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,147.28 : 178,747.20 = 40,259.76 : x
  2. Step 2: Convert to fraction form
    119,147.28/178,747.20 = 40,259.76/x
  3. Step 3: Cross multiply
    119,147.28x = 178,747.20 × 40,259.76
  4. Step 4: Simplify right side
    119,147.28x = 7,196,319,372.67
  5. Step 5: Solve for x
    x = 7,196,319,372.67/119,147.28
  6. Step 6: Final answer
    x = 60,398.52

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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.