Home / 112,627.95-155,444.02-64,229.97

Finding the Fourth Proportional to 112,627.95, 155,444.02 and 64,229.97

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Solution

The fourth proportional to 112,627.95, 155,444.02 and 64,229.97 is: 88,647.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,627.95 : 155,444.02 = 64,229.97 : x
  2. Step 2: Convert to fraction form
    112,627.95/155,444.02 = 64,229.97/x
  3. Step 3: Cross multiply
    112,627.95x = 155,444.02 × 64,229.97
  4. Step 4: Simplify right side
    112,627.95x = 9,984,165,163.62
  5. Step 5: Solve for x
    x = 9,984,165,163.62/112,627.95
  6. Step 6: Final answer
    x = 88,647.32

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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.