Home / 148,691.25-205,057.80-97,683.75

Finding the Fourth Proportional to 148,691.25, 205,057.80 and 97,683.75

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Solution

The fourth proportional to 148,691.25, 205,057.80 and 97,683.75 is: 134,714.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,691.25 : 205,057.80 = 97,683.75 : x
  2. Step 2: Convert to fraction form
    148,691.25/205,057.80 = 97,683.75/x
  3. Step 3: Cross multiply
    148,691.25x = 205,057.80 × 97,683.75
  4. Step 4: Simplify right side
    148,691.25x = 20,030,814,870.75
  5. Step 5: Solve for x
    x = 20,030,814,870.75/148,691.25
  6. Step 6: Final answer
    x = 134,714.15

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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.