Home / 126,442.27-174,502.39-69,090.31

Finding the Fourth Proportional to 126,442.27, 174,502.39 and 69,090.31

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Solution

The fourth proportional to 126,442.27, 174,502.39 and 69,090.31 is: 95,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,442.27 : 174,502.39 = 69,090.31 : x
  2. Step 2: Convert to fraction form
    126,442.27/174,502.39 = 69,090.31/x
  3. Step 3: Cross multiply
    126,442.27x = 174,502.39 × 69,090.31
  4. Step 4: Simplify right side
    126,442.27x = 12,056,423,957.31
  5. Step 5: Solve for x
    x = 12,056,423,957.31/126,442.27
  6. Step 6: Final answer
    x = 95,351.22

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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.