Home / 130,049.77-179,352.04-108,318.20

Finding the Fourth Proportional to 130,049.77, 179,352.04 and 108,318.20

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Solution

The fourth proportional to 130,049.77, 179,352.04 and 108,318.20 is: 149,381.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,049.77 : 179,352.04 = 108,318.20 : x
  2. Step 2: Convert to fraction form
    130,049.77/179,352.04 = 108,318.20/x
  3. Step 3: Cross multiply
    130,049.77x = 179,352.04 × 108,318.20
  4. Step 4: Simplify right side
    130,049.77x = 19,427,089,474.34
  5. Step 5: Solve for x
    x = 19,427,089,474.34/130,049.77
  6. Step 6: Final answer
    x = 149,381.97

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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.