Home / 130,456.81-180,028.07-73,095.90

Finding the Fourth Proportional to 130,456.81, 180,028.07 and 73,095.90

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Solution

The fourth proportional to 130,456.81, 180,028.07 and 73,095.90 is: 100,871.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,456.81 : 180,028.07 = 73,095.90 : x
  2. Step 2: Convert to fraction form
    130,456.81/180,028.07 = 73,095.90/x
  3. Step 3: Cross multiply
    130,456.81x = 180,028.07 × 73,095.90
  4. Step 4: Simplify right side
    130,456.81x = 13,159,313,436.43
  5. Step 5: Solve for x
    x = 13,159,313,436.43/130,456.81
  6. Step 6: Final answer
    x = 100,871.04

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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.