Home / 113,383.10-169,966.65-42,286.70

Finding the Fourth Proportional to 113,383.10, 169,966.65 and 42,286.70

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Solution

The fourth proportional to 113,383.10, 169,966.65 and 42,286.70 is: 63,389.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.10 : 169,966.65 = 42,286.70 : x
  2. Step 2: Convert to fraction form
    113,383.10/169,966.65 = 42,286.70/x
  3. Step 3: Cross multiply
    113,383.10x = 169,966.65 × 42,286.70
  4. Step 4: Simplify right side
    113,383.10x = 7,187,328,738.56
  5. Step 5: Solve for x
    x = 7,187,328,738.56/113,383.10
  6. Step 6: Final answer
    x = 63,389.77

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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.