Home / 191,917.22-288,125.28-147,575.12

Finding the Fourth Proportional to 191,917.22, 288,125.28 and 147,575.12

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Solution

The fourth proportional to 191,917.22, 288,125.28 and 147,575.12 is: 221,554.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,917.22 : 288,125.28 = 147,575.12 : x
  2. Step 2: Convert to fraction form
    191,917.22/288,125.28 = 147,575.12/x
  3. Step 3: Cross multiply
    191,917.22x = 288,125.28 × 147,575.12
  4. Step 4: Simplify right side
    191,917.22x = 42,520,121,330.41
  5. Step 5: Solve for x
    x = 42,520,121,330.41/191,917.22
  6. Step 6: Final answer
    x = 221,554.49

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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.