Home / 124,007.28-170,826.35-89,915.60

Finding the Fourth Proportional to 124,007.28, 170,826.35 and 89,915.60

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Solution

The fourth proportional to 124,007.28, 170,826.35 and 89,915.60 is: 123,863.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,007.28 : 170,826.35 = 89,915.60 : x
  2. Step 2: Convert to fraction form
    124,007.28/170,826.35 = 89,915.60/x
  3. Step 3: Cross multiply
    124,007.28x = 170,826.35 × 89,915.60
  4. Step 4: Simplify right side
    124,007.28x = 15,359,952,452.35
  5. Step 5: Solve for x
    x = 15,359,952,452.35/124,007.28
  6. Step 6: Final answer
    x = 123,863.31

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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.