Home / 130,430.85-195,574.19-40,448.61

Finding the Fourth Proportional to 130,430.85, 195,574.19 and 40,448.61

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Solution

The fourth proportional to 130,430.85, 195,574.19 and 40,448.61 is: 60,650.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,430.85 : 195,574.19 = 40,448.61 : x
  2. Step 2: Convert to fraction form
    130,430.85/195,574.19 = 40,448.61/x
  3. Step 3: Cross multiply
    130,430.85x = 195,574.19 × 40,448.61
  4. Step 4: Simplify right side
    130,430.85x = 7,910,703,935.13
  5. Step 5: Solve for x
    x = 7,910,703,935.13/130,430.85
  6. Step 6: Final answer
    x = 60,650.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.