Home / 147,749.20-221,311.80-97,853.20

Finding the Fourth Proportional to 147,749.20, 221,311.80 and 97,853.20

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Solution

The fourth proportional to 147,749.20, 221,311.80 and 97,853.20 is: 146,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,749.20 : 221,311.80 = 97,853.20 : x
  2. Step 2: Convert to fraction form
    147,749.20/221,311.80 = 97,853.20/x
  3. Step 3: Cross multiply
    147,749.20x = 221,311.80 × 97,853.20
  4. Step 4: Simplify right side
    147,749.20x = 21,656,067,827.76
  5. Step 5: Solve for x
    x = 21,656,067,827.76/147,749.20
  6. Step 6: Final answer
    x = 146,573.16

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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.