Home / 134,441.31-185,508.45-77,841.75

Finding the Fourth Proportional to 134,441.31, 185,508.45 and 77,841.75

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Solution

The fourth proportional to 134,441.31, 185,508.45 and 77,841.75 is: 107,409.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,441.31 : 185,508.45 = 77,841.75 : x
  2. Step 2: Convert to fraction form
    134,441.31/185,508.45 = 77,841.75/x
  3. Step 3: Cross multiply
    134,441.31x = 185,508.45 × 77,841.75
  4. Step 4: Simplify right side
    134,441.31x = 14,440,302,387.79
  5. Step 5: Solve for x
    x = 14,440,302,387.79/134,441.31
  6. Step 6: Final answer
    x = 107,409.71

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1.5x scale

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.