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Finding the Fourth Proportional to 178,434.80, 267,652.20 and 136,444.40

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Solution

The fourth proportional to 178,434.80, 267,652.20 and 136,444.40 is: 204,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,434.80 : 267,652.20 = 136,444.40 : x
  2. Step 2: Convert to fraction form
    178,434.80/267,652.20 = 136,444.40/x
  3. Step 3: Cross multiply
    178,434.80x = 267,652.20 × 136,444.40
  4. Step 4: Simplify right side
    178,434.80x = 36,519,643,837.68
  5. Step 5: Solve for x
    x = 36,519,643,837.68/178,434.80
  6. Step 6: Final answer
    x = 204,666.60

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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.