Home / 126,461.28-174,516.21-69,872.25

Finding the Fourth Proportional to 126,461.28, 174,516.21 and 69,872.25

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Solution

The fourth proportional to 126,461.28, 174,516.21 and 69,872.25 is: 96,423.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,461.28 : 174,516.21 = 69,872.25 : x
  2. Step 2: Convert to fraction form
    126,461.28/174,516.21 = 69,872.25/x
  3. Step 3: Cross multiply
    126,461.28x = 174,516.21 × 69,872.25
  4. Step 4: Simplify right side
    126,461.28x = 12,193,840,254.17
  5. Step 5: Solve for x
    x = 12,193,840,254.17/126,461.28
  6. Step 6: Final answer
    x = 96,423.51

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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.