Home / 132,332.28-182,647.44-81,388.80

Finding the Fourth Proportional to 132,332.28, 182,647.44 and 81,388.80

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Solution

The fourth proportional to 132,332.28, 182,647.44 and 81,388.80 is: 112,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,332.28 : 182,647.44 = 81,388.80 : x
  2. Step 2: Convert to fraction form
    132,332.28/182,647.44 = 81,388.80/x
  3. Step 3: Cross multiply
    132,332.28x = 182,647.44 × 81,388.80
  4. Step 4: Simplify right side
    132,332.28x = 14,865,455,964.67
  5. Step 5: Solve for x
    x = 14,865,455,964.67/132,332.28
  6. Step 6: Final answer
    x = 112,334.31

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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.