Home / 178,311.51-267,554.25-78,459.12

Finding the Fourth Proportional to 178,311.51, 267,554.25 and 78,459.12

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Solution

The fourth proportional to 178,311.51, 267,554.25 and 78,459.12 is: 117,726.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,311.51 : 267,554.25 = 78,459.12 : x
  2. Step 2: Convert to fraction form
    178,311.51/267,554.25 = 78,459.12/x
  3. Step 3: Cross multiply
    178,311.51x = 267,554.25 × 78,459.12
  4. Step 4: Simplify right side
    178,311.51x = 20,992,071,007.26
  5. Step 5: Solve for x
    x = 20,992,071,007.26/178,311.51
  6. Step 6: Final answer
    x = 117,726.95

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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.