Home / 178,088.72-267,132.36-72,907.52

Finding the Fourth Proportional to 178,088.72, 267,132.36 and 72,907.52

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Solution

The fourth proportional to 178,088.72, 267,132.36 and 72,907.52 is: 109,360.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,088.72 : 267,132.36 = 72,907.52 : x
  2. Step 2: Convert to fraction form
    178,088.72/267,132.36 = 72,907.52/x
  3. Step 3: Cross multiply
    178,088.72x = 267,132.36 × 72,907.52
  4. Step 4: Simplify right side
    178,088.72x = 19,475,957,879.35
  5. Step 5: Solve for x
    x = 19,475,957,879.35/178,088.72
  6. Step 6: Final answer
    x = 109,360.99

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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.