Home / 132,269.90-182,511.13-81,266.22

Finding the Fourth Proportional to 132,269.90, 182,511.13 and 81,266.22

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Solution

The fourth proportional to 132,269.90, 182,511.13 and 81,266.22 is: 112,134.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,269.90 : 182,511.13 = 81,266.22 : x
  2. Step 2: Convert to fraction form
    132,269.90/182,511.13 = 81,266.22/x
  3. Step 3: Cross multiply
    132,269.90x = 182,511.13 × 81,266.22
  4. Step 4: Simplify right side
    132,269.90x = 14,831,989,643.03
  5. Step 5: Solve for x
    x = 14,831,989,643.03/132,269.90
  6. Step 6: Final answer
    x = 112,134.28

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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.