Home / 127,700.39-176,230.55-70,343.87

Finding the Fourth Proportional to 127,700.39, 176,230.55 and 70,343.87

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Solution

The fourth proportional to 127,700.39, 176,230.55 and 70,343.87 is: 97,076.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,700.39 : 176,230.55 = 70,343.87 : x
  2. Step 2: Convert to fraction form
    127,700.39/176,230.55 = 70,343.87/x
  3. Step 3: Cross multiply
    127,700.39x = 176,230.55 × 70,343.87
  4. Step 4: Simplify right side
    127,700.39x = 12,396,738,899.23
  5. Step 5: Solve for x
    x = 12,396,738,899.23/127,700.39
  6. Step 6: Final answer
    x = 97,076.75

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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.