Home / 130,837.55-180,560.17-73,486.96

Finding the Fourth Proportional to 130,837.55, 180,560.17 and 73,486.96

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Solution

The fourth proportional to 130,837.55, 180,560.17 and 73,486.96 is: 101,414.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,837.55 : 180,560.17 = 73,486.96 : x
  2. Step 2: Convert to fraction form
    130,837.55/180,560.17 = 73,486.96/x
  3. Step 3: Cross multiply
    130,837.55x = 180,560.17 × 73,486.96
  4. Step 4: Simplify right side
    130,837.55x = 13,268,817,087.58
  5. Step 5: Solve for x
    x = 13,268,817,087.58/130,837.55
  6. Step 6: Final answer
    x = 101,414.45

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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.