Home / 261,728.32-361,193.96-147,027.20

Finding the Fourth Proportional to 261,728.32, 361,193.96 and 147,027.20

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Solution

The fourth proportional to 261,728.32, 361,193.96 and 147,027.20 is: 202,902.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,728.32 : 361,193.96 = 147,027.20 : x
  2. Step 2: Convert to fraction form
    261,728.32/361,193.96 = 147,027.20/x
  3. Step 3: Cross multiply
    261,728.32x = 361,193.96 × 147,027.20
  4. Step 4: Simplify right side
    261,728.32x = 53,105,336,595.71
  5. Step 5: Solve for x
    x = 53,105,336,595.71/261,728.32
  6. Step 6: Final answer
    x = 202,902.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.