Home / 165,389.04-247,989.60-112,862.16

Finding the Fourth Proportional to 165,389.04, 247,989.60 and 112,862.16

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Solution

The fourth proportional to 165,389.04, 247,989.60 and 112,862.16 is: 169,229.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,389.04 : 247,989.60 = 112,862.16 : x
  2. Step 2: Convert to fraction form
    165,389.04/247,989.60 = 112,862.16/x
  3. Step 3: Cross multiply
    165,389.04x = 247,989.60 × 112,862.16
  4. Step 4: Simplify right side
    165,389.04x = 27,988,641,913.54
  5. Step 5: Solve for x
    x = 27,988,641,913.54/165,389.04
  6. Step 6: Final answer
    x = 169,229.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.