Home / 126,207.28-174,160.88-69,618.64

Finding the Fourth Proportional to 126,207.28, 174,160.88 and 69,618.64

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Solution

The fourth proportional to 126,207.28, 174,160.88 and 69,618.64 is: 96,070.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,207.28 : 174,160.88 = 69,618.64 : x
  2. Step 2: Convert to fraction form
    126,207.28/174,160.88 = 69,618.64/x
  3. Step 3: Cross multiply
    126,207.28x = 174,160.88 × 69,618.64
  4. Step 4: Simplify right side
    126,207.28x = 12,124,843,606.80
  5. Step 5: Solve for x
    x = 12,124,843,606.80/126,207.28
  6. Step 6: Final answer
    x = 96,070.87

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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.