Home / 147,462.40-221,193.60-42,279.04

Finding the Fourth Proportional to 147,462.40, 221,193.60 and 42,279.04

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Solution

The fourth proportional to 147,462.40, 221,193.60 and 42,279.04 is: 63,418.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,462.40 : 221,193.60 = 42,279.04 : x
  2. Step 2: Convert to fraction form
    147,462.40/221,193.60 = 42,279.04/x
  3. Step 3: Cross multiply
    147,462.40x = 221,193.60 × 42,279.04
  4. Step 4: Simplify right side
    147,462.40x = 9,351,853,062.14
  5. Step 5: Solve for x
    x = 9,351,853,062.14/147,462.40
  6. Step 6: Final answer
    x = 63,418.56

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1.5x scale

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.