Home / 134,681.42-185,859.32-74,254.61

Finding the Fourth Proportional to 134,681.42, 185,859.32 and 74,254.61

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Solution

The fourth proportional to 134,681.42, 185,859.32 and 74,254.61 is: 102,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,681.42 : 185,859.32 = 74,254.61 : x
  2. Step 2: Convert to fraction form
    134,681.42/185,859.32 = 74,254.61/x
  3. Step 3: Cross multiply
    134,681.42x = 185,859.32 × 74,254.61
  4. Step 4: Simplify right side
    134,681.42x = 13,800,911,321.47
  5. Step 5: Solve for x
    x = 13,800,911,321.47/134,681.42
  6. Step 6: Final answer
    x = 102,470.79

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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.