Home / 130,822.05-180,536.31-73,473.78

Finding the Fourth Proportional to 130,822.05, 180,536.31 and 73,473.78

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Solution

The fourth proportional to 130,822.05, 180,536.31 and 73,473.78 is: 101,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,822.05 : 180,536.31 = 73,473.78 : x
  2. Step 2: Convert to fraction form
    130,822.05/180,536.31 = 73,473.78/x
  3. Step 3: Cross multiply
    130,822.05x = 180,536.31 × 73,473.78
  4. Step 4: Simplify right side
    130,822.05x = 13,264,684,220.27
  5. Step 5: Solve for x
    x = 13,264,684,220.27/130,822.05
  6. Step 6: Final answer
    x = 101,394.87

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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.