Home / 126,246.38-174,223.64-69,661.40

Finding the Fourth Proportional to 126,246.38, 174,223.64 and 69,661.40

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Solution

The fourth proportional to 126,246.38, 174,223.64 and 69,661.40 is: 96,134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,246.38 : 174,223.64 = 69,661.40 : x
  2. Step 2: Convert to fraction form
    126,246.38/174,223.64 = 69,661.40/x
  3. Step 3: Cross multiply
    126,246.38x = 174,223.64 × 69,661.40
  4. Step 4: Simplify right side
    126,246.38x = 12,136,661,978.53
  5. Step 5: Solve for x
    x = 12,136,661,978.53/126,246.38
  6. Step 6: Final answer
    x = 96,134.74

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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.