Home / 132,400.37-182,712.00-77,984.17

Finding the Fourth Proportional to 132,400.37, 182,712.00 and 77,984.17

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Solution

The fourth proportional to 132,400.37, 182,712.00 and 77,984.17 is: 107,617.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,400.37 : 182,712.00 = 77,984.17 : x
  2. Step 2: Convert to fraction form
    132,400.37/182,712.00 = 77,984.17/x
  3. Step 3: Cross multiply
    132,400.37x = 182,712.00 × 77,984.17
  4. Step 4: Simplify right side
    132,400.37x = 14,248,643,504.70
  5. Step 5: Solve for x
    x = 14,248,643,504.70/132,400.37
  6. Step 6: Final answer
    x = 107,617.85

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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.