Home / 130,456.43-180,026.64-73,098.11

Finding the Fourth Proportional to 130,456.43, 180,026.64 and 73,098.11

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Solution

The fourth proportional to 130,456.43, 180,026.64 and 73,098.11 is: 100,873.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,456.43 : 180,026.64 = 73,098.11 : x
  2. Step 2: Convert to fraction form
    130,456.43/180,026.64 = 73,098.11/x
  3. Step 3: Cross multiply
    130,456.43x = 180,026.64 × 73,098.11
  4. Step 4: Simplify right side
    130,456.43x = 13,159,606,233.52
  5. Step 5: Solve for x
    x = 13,159,606,233.52/130,456.43
  6. Step 6: Final answer
    x = 100,873.58

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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.