Home / 147,314.26-221,068.24-80,801

Finding the Fourth Proportional to 147,314.26, 221,068.24 and 80,801

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Solution

The fourth proportional to 147,314.26, 221,068.24 and 80,801 is: 121,254.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,314.26 : 221,068.24 = 80,801 : x
  2. Step 2: Convert to fraction form
    147,314.26/221,068.24 = 80,801/x
  3. Step 3: Cross multiply
    147,314.26x = 221,068.24 × 80,801
  4. Step 4: Simplify right side
    147,314.26x = 17,862,534,860.24
  5. Step 5: Solve for x
    x = 17,862,534,860.24/147,314.26
  6. Step 6: Final answer
    x = 121,254.62

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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.