Home / 134,541.66-185,659.13-74,108.93

Finding the Fourth Proportional to 134,541.66, 185,659.13 and 74,108.93

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Solution

The fourth proportional to 134,541.66, 185,659.13 and 74,108.93 is: 102,265.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,541.66 : 185,659.13 = 74,108.93 : x
  2. Step 2: Convert to fraction form
    134,541.66/185,659.13 = 74,108.93/x
  3. Step 3: Cross multiply
    134,541.66x = 185,659.13 × 74,108.93
  4. Step 4: Simplify right side
    134,541.66x = 13,758,998,170.19
  5. Step 5: Solve for x
    x = 13,758,998,170.19/134,541.66
  6. Step 6: Final answer
    x = 102,265.71

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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.