Home / 155,540.20-232,727.10-141,543.40

Finding the Fourth Proportional to 155,540.20, 232,727.10 and 141,543.40

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Solution

The fourth proportional to 155,540.20, 232,727.10 and 141,543.40 is: 211,784.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,540.20 : 232,727.10 = 141,543.40 : x
  2. Step 2: Convert to fraction form
    155,540.20/232,727.10 = 141,543.40/x
  3. Step 3: Cross multiply
    155,540.20x = 232,727.10 × 141,543.40
  4. Step 4: Simplify right side
    155,540.20x = 32,940,985,006.14
  5. Step 5: Solve for x
    x = 32,940,985,006.14/155,540.20
  6. Step 6: Final answer
    x = 211,784.38

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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.