Home / 134,503.56-185,616.18-74,076.06

Finding the Fourth Proportional to 134,503.56, 185,616.18 and 74,076.06

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Solution

The fourth proportional to 134,503.56, 185,616.18 and 74,076.06 is: 102,225.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,503.56 : 185,616.18 = 74,076.06 : x
  2. Step 2: Convert to fraction form
    134,503.56/185,616.18 = 74,076.06/x
  3. Step 3: Cross multiply
    134,503.56x = 185,616.18 × 74,076.06
  4. Step 4: Simplify right side
    134,503.56x = 13,749,715,286.65
  5. Step 5: Solve for x
    x = 13,749,715,286.65/134,503.56
  6. Step 6: Final answer
    x = 102,225.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.