Home / 123,380.15-185,070.19-67,267.45

Finding the Fourth Proportional to 123,380.15, 185,070.19 and 67,267.45

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Solution

The fourth proportional to 123,380.15, 185,070.19 and 67,267.45 is: 100,901.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,380.15 : 185,070.19 = 67,267.45 : x
  2. Step 2: Convert to fraction form
    123,380.15/185,070.19 = 67,267.45/x
  3. Step 3: Cross multiply
    123,380.15x = 185,070.19 × 67,267.45
  4. Step 4: Simplify right side
    123,380.15x = 12,449,199,121.47
  5. Step 5: Solve for x
    x = 12,449,199,121.47/123,380.15
  6. Step 6: Final answer
    x = 100,901.15

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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.