Home / 142,287.87-213,726.66-112,912.41

Finding the Fourth Proportional to 142,287.87, 213,726.66 and 112,912.41

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Solution

The fourth proportional to 142,287.87, 213,726.66 and 112,912.41 is: 169,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,287.87 : 213,726.66 = 112,912.41 : x
  2. Step 2: Convert to fraction form
    142,287.87/213,726.66 = 112,912.41/x
  3. Step 3: Cross multiply
    142,287.87x = 213,726.66 × 112,912.41
  4. Step 4: Simplify right side
    142,287.87x = 24,132,392,261.85
  5. Step 5: Solve for x
    x = 24,132,392,261.85/142,287.87
  6. Step 6: Final answer
    x = 169,602.60

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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.