Home / 130,821.55-180,535.62-73,473.28

Finding the Fourth Proportional to 130,821.55, 180,535.62 and 73,473.28

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Solution

The fourth proportional to 130,821.55, 180,535.62 and 73,473.28 is: 101,394.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,821.55 : 180,535.62 = 73,473.28 : x
  2. Step 2: Convert to fraction form
    130,821.55/180,535.62 = 73,473.28/x
  3. Step 3: Cross multiply
    130,821.55x = 180,535.62 × 73,473.28
  4. Step 4: Simplify right side
    130,821.55x = 13,264,543,255.56
  5. Step 5: Solve for x
    x = 13,264,543,255.56/130,821.55
  6. Step 6: Final answer
    x = 101,394.18

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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.