Home / 132,297.17-182,576.43-81,312.12

Finding the Fourth Proportional to 132,297.17, 182,576.43 and 81,312.12

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Solution

The fourth proportional to 132,297.17, 182,576.43 and 81,312.12 is: 112,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,297.17 : 182,576.43 = 81,312.12 : x
  2. Step 2: Convert to fraction form
    132,297.17/182,576.43 = 81,312.12/x
  3. Step 3: Cross multiply
    132,297.17x = 182,576.43 × 81,312.12
  4. Step 4: Simplify right side
    132,297.17x = 14,845,676,585.33
  5. Step 5: Solve for x
    x = 14,845,676,585.33/132,297.17
  6. Step 6: Final answer
    x = 112,214.62

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1.5x scale

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.