Home / 180,581.96-249,244.56-120,155.14

Finding the Fourth Proportional to 180,581.96, 249,244.56 and 120,155.14

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Solution

The fourth proportional to 180,581.96, 249,244.56 and 120,155.14 is: 165,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,581.96 : 249,244.56 = 120,155.14 : x
  2. Step 2: Convert to fraction form
    180,581.96/249,244.56 = 120,155.14/x
  3. Step 3: Cross multiply
    180,581.96x = 249,244.56 × 120,155.14
  4. Step 4: Simplify right side
    180,581.96x = 29,948,015,001.04
  5. Step 5: Solve for x
    x = 29,948,015,001.04/180,581.96
  6. Step 6: Final answer
    x = 165,841.68

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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.