Home / 188,474.22-282,374.10-99,528.66

Finding the Fourth Proportional to 188,474.22, 282,374.10 and 99,528.66

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Solution

The fourth proportional to 188,474.22, 282,374.10 and 99,528.66 is: 149,114.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,474.22 : 282,374.10 = 99,528.66 : x
  2. Step 2: Convert to fraction form
    188,474.22/282,374.10 = 99,528.66/x
  3. Step 3: Cross multiply
    188,474.22x = 282,374.10 × 99,528.66
  4. Step 4: Simplify right side
    188,474.22x = 28,104,315,791.71
  5. Step 5: Solve for x
    x = 28,104,315,791.71/188,474.22
  6. Step 6: Final answer
    x = 149,114.91

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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.