Home / 127,701.39-176,231.93-70,344.87

Finding the Fourth Proportional to 127,701.39, 176,231.93 and 70,344.87

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Solution

The fourth proportional to 127,701.39, 176,231.93 and 70,344.87 is: 97,078.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.39 : 176,231.93 = 70,344.87 : x
  2. Step 2: Convert to fraction form
    127,701.39/176,231.93 = 70,344.87/x
  3. Step 3: Cross multiply
    127,701.39x = 176,231.93 × 70,344.87
  4. Step 4: Simplify right side
    127,701.39x = 12,397,012,205.70
  5. Step 5: Solve for x
    x = 12,397,012,205.70/127,701.39
  6. Step 6: Final answer
    x = 97,078.13

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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.