Home / 130,569.20-195,999.60-101,117.60

Finding the Fourth Proportional to 130,569.20, 195,999.60 and 101,117.60

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Solution

The fourth proportional to 130,569.20, 195,999.60 and 101,117.60 is: 151,789.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,569.20 : 195,999.60 = 101,117.60 : x
  2. Step 2: Convert to fraction form
    130,569.20/195,999.60 = 101,117.60/x
  3. Step 3: Cross multiply
    130,569.20x = 195,999.60 × 101,117.60
  4. Step 4: Simplify right side
    130,569.20x = 19,819,009,152.96
  5. Step 5: Solve for x
    x = 19,819,009,152.96/130,569.20
  6. Step 6: Final answer
    x = 151,789.31

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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.