Home / 126,254.18-174,223.41-69,665.42

Finding the Fourth Proportional to 126,254.18, 174,223.41 and 69,665.42

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Solution

The fourth proportional to 126,254.18, 174,223.41 and 69,665.42 is: 96,134.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,254.18 : 174,223.41 = 69,665.42 : x
  2. Step 2: Convert to fraction form
    126,254.18/174,223.41 = 69,665.42/x
  3. Step 3: Cross multiply
    126,254.18x = 174,223.41 × 69,665.42
  4. Step 4: Simplify right side
    126,254.18x = 12,137,347,031.48
  5. Step 5: Solve for x
    x = 12,137,347,031.48/126,254.18
  6. Step 6: Final answer
    x = 96,134.22

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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.