Home / 126,442.47-174,494.13-69,857.49

Finding the Fourth Proportional to 126,442.47, 174,494.13 and 69,857.49

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Solution

The fourth proportional to 126,442.47, 174,494.13 and 69,857.49 is: 96,405.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,442.47 : 174,494.13 = 69,857.49 : x
  2. Step 2: Convert to fraction form
    126,442.47/174,494.13 = 69,857.49/x
  3. Step 3: Cross multiply
    126,442.47x = 174,494.13 × 69,857.49
  4. Step 4: Simplify right side
    126,442.47x = 12,189,721,941.53
  5. Step 5: Solve for x
    x = 12,189,721,941.53/126,442.47
  6. Step 6: Final answer
    x = 96,405.28

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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.