Home / 120,131.04-180,445.68-95,345.76

Finding the Fourth Proportional to 120,131.04, 180,445.68 and 95,345.76

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Solution

The fourth proportional to 120,131.04, 180,445.68 and 95,345.76 is: 143,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,131.04 : 180,445.68 = 95,345.76 : x
  2. Step 2: Convert to fraction form
    120,131.04/180,445.68 = 95,345.76/x
  3. Step 3: Cross multiply
    120,131.04x = 180,445.68 × 95,345.76
  4. Step 4: Simplify right side
    120,131.04x = 17,204,730,498.32
  5. Step 5: Solve for x
    x = 17,204,730,498.32/120,131.04
  6. Step 6: Final answer
    x = 143,216.36

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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.