Home / 134,160.92-185,101.65-80,426.33

Finding the Fourth Proportional to 134,160.92, 185,101.65 and 80,426.33

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Solution

The fourth proportional to 134,160.92, 185,101.65 and 80,426.33 is: 110,964.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,160.92 : 185,101.65 = 80,426.33 : x
  2. Step 2: Convert to fraction form
    134,160.92/185,101.65 = 80,426.33/x
  3. Step 3: Cross multiply
    134,160.92x = 185,101.65 × 80,426.33
  4. Step 4: Simplify right side
    134,160.92x = 14,887,045,460.94
  5. Step 5: Solve for x
    x = 14,887,045,460.94/134,160.92
  6. Step 6: Final answer
    x = 110,964.10

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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.