Home / 130,007.20-195,010.80-110,078.16

Finding the Fourth Proportional to 130,007.20, 195,010.80 and 110,078.16

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Solution

The fourth proportional to 130,007.20, 195,010.80 and 110,078.16 is: 165,117.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,007.20 : 195,010.80 = 110,078.16 : x
  2. Step 2: Convert to fraction form
    130,007.20/195,010.80 = 110,078.16/x
  3. Step 3: Cross multiply
    130,007.20x = 195,010.80 × 110,078.16
  4. Step 4: Simplify right side
    130,007.20x = 21,466,430,531.66
  5. Step 5: Solve for x
    x = 21,466,430,531.66/130,007.20
  6. Step 6: Final answer
    x = 165,117.24

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1.5x scale

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.