Home / 242,254.11-363,381.27-108,978.69

Finding the Fourth Proportional to 242,254.11, 363,381.27 and 108,978.69

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Solution

The fourth proportional to 242,254.11, 363,381.27 and 108,978.69 is: 163,468.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,254.11 : 363,381.27 = 108,978.69 : x
  2. Step 2: Convert to fraction form
    242,254.11/363,381.27 = 108,978.69/x
  3. Step 3: Cross multiply
    242,254.11x = 363,381.27 × 108,978.69
  4. Step 4: Simplify right side
    242,254.11x = 39,600,814,775.14
  5. Step 5: Solve for x
    x = 39,600,814,775.14/242,254.11
  6. Step 6: Final answer
    x = 163,468.08

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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.