Home / 178,008.81-267,122.23-71,381.46

Finding the Fourth Proportional to 178,008.81, 267,122.23 and 71,381.46

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Solution

The fourth proportional to 178,008.81, 267,122.23 and 71,381.46 is: 107,115.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,008.81 : 267,122.23 = 71,381.46 : x
  2. Step 2: Convert to fraction form
    178,008.81/267,122.23 = 71,381.46/x
  3. Step 3: Cross multiply
    178,008.81x = 267,122.23 × 71,381.46
  4. Step 4: Simplify right side
    178,008.81x = 19,067,574,485.13
  5. Step 5: Solve for x
    x = 19,067,574,485.13/178,008.81
  6. Step 6: Final answer
    x = 107,115.90

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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.