Home / 142,726.20-213,830.10-116,287.80

Finding the Fourth Proportional to 142,726.20, 213,830.10 and 116,287.80

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Solution

The fourth proportional to 142,726.20, 213,830.10 and 116,287.80 is: 174,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,726.20 : 213,830.10 = 116,287.80 : x
  2. Step 2: Convert to fraction form
    142,726.20/213,830.10 = 116,287.80/x
  3. Step 3: Cross multiply
    142,726.20x = 213,830.10 × 116,287.80
  4. Step 4: Simplify right side
    142,726.20x = 24,865,831,902.78
  5. Step 5: Solve for x
    x = 24,865,831,902.78/142,726.20
  6. Step 6: Final answer
    x = 174,220.51

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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.