Home / 84,320.16-126,480.12-25,197.24

Finding the Fourth Proportional to 84,320.16, 126,480.12 and 25,197.24

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Solution

The fourth proportional to 84,320.16, 126,480.12 and 25,197.24 is: 37,795.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,320.16 : 126,480.12 = 25,197.24 : x
  2. Step 2: Convert to fraction form
    84,320.16/126,480.12 = 25,197.24/x
  3. Step 3: Cross multiply
    84,320.16x = 126,480.12 × 25,197.24
  4. Step 4: Simplify right side
    84,320.16x = 3,186,949,938.87
  5. Step 5: Solve for x
    x = 3,186,949,938.87/84,320.16
  6. Step 6: Final answer
    x = 37,795.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.