Home / 132,266.22-182,528.70-71,838.05

Finding the Fourth Proportional to 132,266.22, 182,528.70 and 71,838.05

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Solution

The fourth proportional to 132,266.22, 182,528.70 and 71,838.05 is: 99,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,266.22 : 182,528.70 = 71,838.05 : x
  2. Step 2: Convert to fraction form
    132,266.22/182,528.70 = 71,838.05/x
  3. Step 3: Cross multiply
    132,266.22x = 182,528.70 × 71,838.05
  4. Step 4: Simplify right side
    132,266.22x = 13,112,505,877.04
  5. Step 5: Solve for x
    x = 13,112,505,877.04/132,266.22
  6. Step 6: Final answer
    x = 99,137.22

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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.