Home / 134,268.86-185,276.67-77,669.66

Finding the Fourth Proportional to 134,268.86, 185,276.67 and 77,669.66

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Solution

The fourth proportional to 134,268.86, 185,276.67 and 77,669.66 is: 107,175.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,268.86 : 185,276.67 = 77,669.66 : x
  2. Step 2: Convert to fraction form
    134,268.86/185,276.67 = 77,669.66/x
  3. Step 3: Cross multiply
    134,268.86x = 185,276.67 × 77,669.66
  4. Step 4: Simplify right side
    134,268.86x = 14,390,375,964.83
  5. Step 5: Solve for x
    x = 14,390,375,964.83/134,268.86
  6. Step 6: Final answer
    x = 107,175.83

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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.