Home / 286,180.38-429,270.57-99,191.88

Finding the Fourth Proportional to 286,180.38, 429,270.57 and 99,191.88

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Solution

The fourth proportional to 286,180.38, 429,270.57 and 99,191.88 is: 148,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,180.38 : 429,270.57 = 99,191.88 : x
  2. Step 2: Convert to fraction form
    286,180.38/429,270.57 = 99,191.88/x
  3. Step 3: Cross multiply
    286,180.38x = 429,270.57 × 99,191.88
  4. Step 4: Simplify right side
    286,180.38x = 42,580,154,866.97
  5. Step 5: Solve for x
    x = 42,580,154,866.97/286,180.38
  6. Step 6: Final answer
    x = 148,787.82

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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.