Home / 131,769.60-181,842.48-71,340.24

Finding the Fourth Proportional to 131,769.60, 181,842.48 and 71,340.24

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Solution

The fourth proportional to 131,769.60, 181,842.48 and 71,340.24 is: 98,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,769.60 : 181,842.48 = 71,340.24 : x
  2. Step 2: Convert to fraction form
    131,769.60/181,842.48 = 71,340.24/x
  3. Step 3: Cross multiply
    131,769.60x = 181,842.48 × 71,340.24
  4. Step 4: Simplify right side
    131,769.60x = 12,972,686,165.40
  5. Step 5: Solve for x
    x = 12,972,686,165.40/131,769.60
  6. Step 6: Final answer
    x = 98,449.77

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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.