Home / 499,182.76-748,774.14-120,103.50

Finding the Fourth Proportional to 499,182.76, 748,774.14 and 120,103.50

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Solution

The fourth proportional to 499,182.76, 748,774.14 and 120,103.50 is: 180,155.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,182.76 : 748,774.14 = 120,103.50 : x
  2. Step 2: Convert to fraction form
    499,182.76/748,774.14 = 120,103.50/x
  3. Step 3: Cross multiply
    499,182.76x = 748,774.14 × 120,103.50
  4. Step 4: Simplify right side
    499,182.76x = 89,930,390,579.10
  5. Step 5: Solve for x
    x = 89,930,390,579.10/499,182.76
  6. Step 6: Final answer
    x = 180,155.24

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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.