Home / 110,147.95-152,067.12-72,531.55

Finding the Fourth Proportional to 110,147.95, 152,067.12 and 72,531.55

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Solution

The fourth proportional to 110,147.95, 152,067.12 and 72,531.55 is: 100,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,147.95 : 152,067.12 = 72,531.55 : x
  2. Step 2: Convert to fraction form
    110,147.95/152,067.12 = 72,531.55/x
  3. Step 3: Cross multiply
    110,147.95x = 152,067.12 × 72,531.55
  4. Step 4: Simplify right side
    110,147.95x = 11,029,663,157.30
  5. Step 5: Solve for x
    x = 11,029,663,157.30/110,147.95
  6. Step 6: Final answer
    x = 100,134.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.