Home / 132,165.16-182,386.66-71,735.72

Finding the Fourth Proportional to 132,165.16, 182,386.66 and 71,735.72

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Solution

The fourth proportional to 132,165.16, 182,386.66 and 71,735.72 is: 98,994.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,165.16 : 182,386.66 = 71,735.72 : x
  2. Step 2: Convert to fraction form
    132,165.16/182,386.66 = 71,735.72/x
  3. Step 3: Cross multiply
    132,165.16x = 182,386.66 × 71,735.72
  4. Step 4: Simplify right side
    132,165.16x = 13,083,638,373.50
  5. Step 5: Solve for x
    x = 13,083,638,373.50/132,165.16
  6. Step 6: Final answer
    x = 98,994.61

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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.