Home / 130,836.87-180,623.46-88,041.38

Finding the Fourth Proportional to 130,836.87, 180,623.46 and 88,041.38

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Solution

The fourth proportional to 130,836.87, 180,623.46 and 88,041.38 is: 121,543.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,836.87 : 180,623.46 = 88,041.38 : x
  2. Step 2: Convert to fraction form
    130,836.87/180,623.46 = 88,041.38/x
  3. Step 3: Cross multiply
    130,836.87x = 180,623.46 × 88,041.38
  4. Step 4: Simplify right side
    130,836.87x = 15,902,338,502.78
  5. Step 5: Solve for x
    x = 15,902,338,502.78/130,836.87
  6. Step 6: Final answer
    x = 121,543.25

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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.