Home / 130,345.03-179,890.77-73,760.05

Finding the Fourth Proportional to 130,345.03, 179,890.77 and 73,760.05

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Solution

The fourth proportional to 130,345.03, 179,890.77 and 73,760.05 is: 101,797.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,345.03 : 179,890.77 = 73,760.05 : x
  2. Step 2: Convert to fraction form
    130,345.03/179,890.77 = 73,760.05/x
  3. Step 3: Cross multiply
    130,345.03x = 179,890.77 × 73,760.05
  4. Step 4: Simplify right side
    130,345.03x = 13,268,752,189.74
  5. Step 5: Solve for x
    x = 13,268,752,189.74/130,345.03
  6. Step 6: Final answer
    x = 101,797.15

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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.