Home / 113,240.76-169,864.98-30,134.84

Finding the Fourth Proportional to 113,240.76, 169,864.98 and 30,134.84

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Solution

The fourth proportional to 113,240.76, 169,864.98 and 30,134.84 is: 45,203.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,240.76 : 169,864.98 = 30,134.84 : x
  2. Step 2: Convert to fraction form
    113,240.76/169,864.98 = 30,134.84/x
  3. Step 3: Cross multiply
    113,240.76x = 169,864.98 × 30,134.84
  4. Step 4: Simplify right side
    113,240.76x = 5,118,853,993.90
  5. Step 5: Solve for x
    x = 5,118,853,993.90/113,240.76
  6. Step 6: Final answer
    x = 45,203.28

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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.