Home / 151,459.38-209,025.96-83,488.44

Finding the Fourth Proportional to 151,459.38, 209,025.96 and 83,488.44

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Solution

The fourth proportional to 151,459.38, 209,025.96 and 83,488.44 is: 115,220.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,459.38 : 209,025.96 = 83,488.44 : x
  2. Step 2: Convert to fraction form
    151,459.38/209,025.96 = 83,488.44/x
  3. Step 3: Cross multiply
    151,459.38x = 209,025.96 × 83,488.44
  4. Step 4: Simplify right side
    151,459.38x = 17,451,251,319.90
  5. Step 5: Solve for x
    x = 17,451,251,319.90/151,459.38
  6. Step 6: Final answer
    x = 115,220.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.