Home / 147,974.13-221,994.45-42,801.30

Finding the Fourth Proportional to 147,974.13, 221,994.45 and 42,801.30

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Solution

The fourth proportional to 147,974.13, 221,994.45 and 42,801.30 is: 64,211.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,974.13 : 221,994.45 = 42,801.30 : x
  2. Step 2: Convert to fraction form
    147,974.13/221,994.45 = 42,801.30/x
  3. Step 3: Cross multiply
    147,974.13x = 221,994.45 × 42,801.30
  4. Step 4: Simplify right side
    147,974.13x = 9,501,651,052.79
  5. Step 5: Solve for x
    x = 9,501,651,052.79/147,974.13
  6. Step 6: Final answer
    x = 64,211.57

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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.