Home / 261,155.12-359,835-176,123.12

Finding the Fourth Proportional to 261,155.12, 359,835 and 176,123.12

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Solution

The fourth proportional to 261,155.12, 359,835 and 176,123.12 is: 242,672.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,155.12 : 359,835 = 176,123.12 : x
  2. Step 2: Convert to fraction form
    261,155.12/359,835 = 176,123.12/x
  3. Step 3: Cross multiply
    261,155.12x = 359,835 × 176,123.12
  4. Step 4: Simplify right side
    261,155.12x = 63,375,262,885.20
  5. Step 5: Solve for x
    x = 63,375,262,885.20/261,155.12
  6. Step 6: Final answer
    x = 242,672.87

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1.5x scale

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.