Home / 127,699.39-176,229.17-70,342.87

Finding the Fourth Proportional to 127,699.39, 176,229.17 and 70,342.87

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Solution

The fourth proportional to 127,699.39, 176,229.17 and 70,342.87 is: 97,075.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,699.39 : 176,229.17 = 70,342.87 : x
  2. Step 2: Convert to fraction form
    127,699.39/176,229.17 = 70,342.87/x
  3. Step 3: Cross multiply
    127,699.39x = 176,229.17 × 70,342.87
  4. Step 4: Simplify right side
    127,699.39x = 12,396,465,243.80
  5. Step 5: Solve for x
    x = 12,396,465,243.80/127,699.39
  6. Step 6: Final answer
    x = 97,075.37

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1.5x scale

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.