Home / 242,625.20-363,937.80-84,869.60

Finding the Fourth Proportional to 242,625.20, 363,937.80 and 84,869.60

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Solution

The fourth proportional to 242,625.20, 363,937.80 and 84,869.60 is: 127,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,625.20 : 363,937.80 = 84,869.60 : x
  2. Step 2: Convert to fraction form
    242,625.20/363,937.80 = 84,869.60/x
  3. Step 3: Cross multiply
    242,625.20x = 363,937.80 × 84,869.60
  4. Step 4: Simplify right side
    242,625.20x = 30,887,255,510.88
  5. Step 5: Solve for x
    x = 30,887,255,510.88/242,625.20
  6. Step 6: Final answer
    x = 127,304.40

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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.