Home / 126,702.05-174,848.78-69,341.40

Finding the Fourth Proportional to 126,702.05, 174,848.78 and 69,341.40

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Solution

The fourth proportional to 126,702.05, 174,848.78 and 69,341.40 is: 95,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,702.05 : 174,848.78 = 69,341.40 : x
  2. Step 2: Convert to fraction form
    126,702.05/174,848.78 = 69,341.40/x
  3. Step 3: Cross multiply
    126,702.05x = 174,848.78 × 69,341.40
  4. Step 4: Simplify right side
    126,702.05x = 12,124,259,366.85
  5. Step 5: Solve for x
    x = 12,124,259,366.85/126,702.05
  6. Step 6: Final answer
    x = 95,691.11

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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.