Home / 134,704.99-185,888.83-74,275.61

Finding the Fourth Proportional to 134,704.99, 185,888.83 and 74,275.61

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Solution

The fourth proportional to 134,704.99, 185,888.83 and 74,275.61 is: 102,498.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,704.99 : 185,888.83 = 74,275.61 : x
  2. Step 2: Convert to fraction form
    134,704.99/185,888.83 = 74,275.61/x
  3. Step 3: Cross multiply
    134,704.99x = 185,888.83 × 74,275.61
  4. Step 4: Simplify right side
    134,704.99x = 13,807,006,240.44
  5. Step 5: Solve for x
    x = 13,807,006,240.44/134,704.99
  6. Step 6: Final answer
    x = 102,498.11

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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.