Home / 115,417.20-173,082.60-40,508.40

Finding the Fourth Proportional to 115,417.20, 173,082.60 and 40,508.40

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Solution

The fourth proportional to 115,417.20, 173,082.60 and 40,508.40 is: 60,747.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,417.20 : 173,082.60 = 40,508.40 : x
  2. Step 2: Convert to fraction form
    115,417.20/173,082.60 = 40,508.40/x
  3. Step 3: Cross multiply
    115,417.20x = 173,082.60 × 40,508.40
  4. Step 4: Simplify right side
    115,417.20x = 7,011,299,193.84
  5. Step 5: Solve for x
    x = 7,011,299,193.84/115,417.20
  6. Step 6: Final answer
    x = 60,747.44

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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.