Home / 134,160.67-185,101.31-80,426.08

Finding the Fourth Proportional to 134,160.67, 185,101.31 and 80,426.08

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Solution

The fourth proportional to 134,160.67, 185,101.31 and 80,426.08 is: 110,963.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,160.67 : 185,101.31 = 80,426.08 : x
  2. Step 2: Convert to fraction form
    134,160.67/185,101.31 = 80,426.08/x
  3. Step 3: Cross multiply
    134,160.67x = 185,101.31 × 80,426.08
  4. Step 4: Simplify right side
    134,160.67x = 14,886,971,438.53
  5. Step 5: Solve for x
    x = 14,886,971,438.53/134,160.67
  6. Step 6: Final answer
    x = 110,963.76

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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.