Home / 132,341.88-182,557.86-81,319.16

Finding the Fourth Proportional to 132,341.88, 182,557.86 and 81,319.16

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Solution

The fourth proportional to 132,341.88, 182,557.86 and 81,319.16 is: 112,175.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,341.88 : 182,557.86 = 81,319.16 : x
  2. Step 2: Convert to fraction form
    132,341.88/182,557.86 = 81,319.16/x
  3. Step 3: Cross multiply
    132,341.88x = 182,557.86 × 81,319.16
  4. Step 4: Simplify right side
    132,341.88x = 14,845,451,826.60
  5. Step 5: Solve for x
    x = 14,845,451,826.60/132,341.88
  6. Step 6: Final answer
    x = 112,175.01

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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.