Home / 113,188.09-169,781.51-28,948.11

Finding the Fourth Proportional to 113,188.09, 169,781.51 and 28,948.11

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Solution

The fourth proportional to 113,188.09, 169,781.51 and 28,948.11 is: 43,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,188.09 : 169,781.51 = 28,948.11 : x
  2. Step 2: Convert to fraction form
    113,188.09/169,781.51 = 28,948.11/x
  3. Step 3: Cross multiply
    113,188.09x = 169,781.51 × 28,948.11
  4. Step 4: Simplify right side
    113,188.09x = 4,914,853,827.45
  5. Step 5: Solve for x
    x = 4,914,853,827.45/113,188.09
  6. Step 6: Final answer
    x = 43,422.01

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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.