Home / 113,116.92-169,647.32-38,235.40

Finding the Fourth Proportional to 113,116.92, 169,647.32 and 38,235.40

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Solution

The fourth proportional to 113,116.92, 169,647.32 and 38,235.40 is: 57,343.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,116.92 : 169,647.32 = 38,235.40 : x
  2. Step 2: Convert to fraction form
    113,116.92/169,647.32 = 38,235.40/x
  3. Step 3: Cross multiply
    113,116.92x = 169,647.32 × 38,235.40
  4. Step 4: Simplify right side
    113,116.92x = 6,486,533,139.13
  5. Step 5: Solve for x
    x = 6,486,533,139.13/113,116.92
  6. Step 6: Final answer
    x = 57,343.62

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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.