Home / 130,444.96-180,016.20-73,083.64

Finding the Fourth Proportional to 130,444.96, 180,016.20 and 73,083.64

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Solution

The fourth proportional to 130,444.96, 180,016.20 and 73,083.64 is: 100,856.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,444.96 : 180,016.20 = 73,083.64 : x
  2. Step 2: Convert to fraction form
    130,444.96/180,016.20 = 73,083.64/x
  3. Step 3: Cross multiply
    130,444.96x = 180,016.20 × 73,083.64
  4. Step 4: Simplify right side
    130,444.96x = 13,156,239,154.97
  5. Step 5: Solve for x
    x = 13,156,239,154.97/130,444.96
  6. Step 6: Final answer
    x = 100,856.63

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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.