Home / 126,291.32-174,281.16-69,702.70

Finding the Fourth Proportional to 126,291.32, 174,281.16 and 69,702.70

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Solution

The fourth proportional to 126,291.32, 174,281.16 and 69,702.70 is: 96,189.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,291.32 : 174,281.16 = 69,702.70 : x
  2. Step 2: Convert to fraction form
    126,291.32/174,281.16 = 69,702.70/x
  3. Step 3: Cross multiply
    126,291.32x = 174,281.16 × 69,702.70
  4. Step 4: Simplify right side
    126,291.32x = 12,147,867,411.13
  5. Step 5: Solve for x
    x = 12,147,867,411.13/126,291.32
  6. Step 6: Final answer
    x = 96,189.25

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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.