Home / 113,211.28-169,838.84-43,085.20

Finding the Fourth Proportional to 113,211.28, 169,838.84 and 43,085.20

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Solution

The fourth proportional to 113,211.28, 169,838.84 and 43,085.20 is: 64,636.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,211.28 : 169,838.84 = 43,085.20 : x
  2. Step 2: Convert to fraction form
    113,211.28/169,838.84 = 43,085.20/x
  3. Step 3: Cross multiply
    113,211.28x = 169,838.84 × 43,085.20
  4. Step 4: Simplify right side
    113,211.28x = 7,317,540,389.17
  5. Step 5: Solve for x
    x = 7,317,540,389.17/113,211.28
  6. Step 6: Final answer
    x = 64,636.14

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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.