Home / 147,810.26-221,717.20-42,630.14

Finding the Fourth Proportional to 147,810.26, 221,717.20 and 42,630.14

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Solution

The fourth proportional to 147,810.26, 221,717.20 and 42,630.14 is: 63,945.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,810.26 : 221,717.20 = 42,630.14 : x
  2. Step 2: Convert to fraction form
    147,810.26/221,717.20 = 42,630.14/x
  3. Step 3: Cross multiply
    147,810.26x = 221,717.20 × 42,630.14
  4. Step 4: Simplify right side
    147,810.26x = 9,451,835,276.41
  5. Step 5: Solve for x
    x = 9,451,835,276.41/147,810.26
  6. Step 6: Final answer
    x = 63,945.73

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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.