Home / 113,088.20-169,373.94-53,965.40

Finding the Fourth Proportional to 113,088.20, 169,373.94 and 53,965.40

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Solution

The fourth proportional to 113,088.20, 169,373.94 and 53,965.40 is: 80,824.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,088.20 : 169,373.94 = 53,965.40 : x
  2. Step 2: Convert to fraction form
    113,088.20/169,373.94 = 53,965.40/x
  3. Step 3: Cross multiply
    113,088.20x = 169,373.94 × 53,965.40
  4. Step 4: Simplify right side
    113,088.20x = 9,140,332,421.68
  5. Step 5: Solve for x
    x = 9,140,332,421.68/113,088.20
  6. Step 6: Final answer
    x = 80,824.81

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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.