Home / 252,691.03-348,714.36-137,970.67

Finding the Fourth Proportional to 252,691.03, 348,714.36 and 137,970.67

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Solution

The fourth proportional to 252,691.03, 348,714.36 and 137,970.67 is: 190,399.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,691.03 : 348,714.36 = 137,970.67 : x
  2. Step 2: Convert to fraction form
    252,691.03/348,714.36 = 137,970.67/x
  3. Step 3: Cross multiply
    252,691.03x = 348,714.36 × 137,970.67
  4. Step 4: Simplify right side
    252,691.03x = 48,112,352,144.25
  5. Step 5: Solve for x
    x = 48,112,352,144.25/252,691.03
  6. Step 6: Final answer
    x = 190,399.92

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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.