Home / 108,759.28-150,152.16-68,507.55

Finding the Fourth Proportional to 108,759.28, 150,152.16 and 68,507.55

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Solution

The fourth proportional to 108,759.28, 150,152.16 and 68,507.55 is: 94,580.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,759.28 : 150,152.16 = 68,507.55 : x
  2. Step 2: Convert to fraction form
    108,759.28/150,152.16 = 68,507.55/x
  3. Step 3: Cross multiply
    108,759.28x = 150,152.16 × 68,507.55
  4. Step 4: Simplify right side
    108,759.28x = 10,286,556,062.16
  5. Step 5: Solve for x
    x = 10,286,556,062.16/108,759.28
  6. Step 6: Final answer
    x = 94,580.95

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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.