Home / 126,442.17-174,502.27-69,090.21

Finding the Fourth Proportional to 126,442.17, 174,502.27 and 69,090.21

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Solution

The fourth proportional to 126,442.17, 174,502.27 and 69,090.21 is: 95,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,442.17 : 174,502.27 = 69,090.21 : x
  2. Step 2: Convert to fraction form
    126,442.17/174,502.27 = 69,090.21/x
  3. Step 3: Cross multiply
    126,442.17x = 174,502.27 × 69,090.21
  4. Step 4: Simplify right side
    126,442.17x = 12,056,398,479.78
  5. Step 5: Solve for x
    x = 12,056,398,479.78/126,442.17
  6. Step 6: Final answer
    x = 95,351.09

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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.