Home / 129,341.48-193,651.68-66,025.40

Finding the Fourth Proportional to 129,341.48, 193,651.68 and 66,025.40

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Solution

The fourth proportional to 129,341.48, 193,651.68 and 66,025.40 is: 98,854.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,341.48 : 193,651.68 = 66,025.40 : x
  2. Step 2: Convert to fraction form
    129,341.48/193,651.68 = 66,025.40/x
  3. Step 3: Cross multiply
    129,341.48x = 193,651.68 × 66,025.40
  4. Step 4: Simplify right side
    129,341.48x = 12,785,929,632.67
  5. Step 5: Solve for x
    x = 12,785,929,632.67/129,341.48
  6. Step 6: Final answer
    x = 98,854.05

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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.