Home / 147,819.30-221,707.35-42,627.30

Finding the Fourth Proportional to 147,819.30, 221,707.35 and 42,627.30

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Solution

The fourth proportional to 147,819.30, 221,707.35 and 42,627.30 is: 63,934.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,819.30 : 221,707.35 = 42,627.30 : x
  2. Step 2: Convert to fraction form
    147,819.30/221,707.35 = 42,627.30/x
  3. Step 3: Cross multiply
    147,819.30x = 221,707.35 × 42,627.30
  4. Step 4: Simplify right side
    147,819.30x = 9,450,785,720.66
  5. Step 5: Solve for x
    x = 9,450,785,720.66/147,819.30
  6. Step 6: Final answer
    x = 63,934.72

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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.