Home / 148,720.64-223,080.95-43,539.61

Finding the Fourth Proportional to 148,720.64, 223,080.95 and 43,539.61

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Solution

The fourth proportional to 148,720.64, 223,080.95 and 43,539.61 is: 65,309.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,720.64 : 223,080.95 = 43,539.61 : x
  2. Step 2: Convert to fraction form
    148,720.64/223,080.95 = 43,539.61/x
  3. Step 3: Cross multiply
    148,720.64x = 223,080.95 × 43,539.61
  4. Step 4: Simplify right side
    148,720.64x = 9,712,857,561.43
  5. Step 5: Solve for x
    x = 9,712,857,561.43/148,720.64
  6. Step 6: Final answer
    x = 65,309.41

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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.