Home / 130,512.10-195,768.15-88,412.35

Finding the Fourth Proportional to 130,512.10, 195,768.15 and 88,412.35

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Solution

The fourth proportional to 130,512.10, 195,768.15 and 88,412.35 is: 132,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,512.10 : 195,768.15 = 88,412.35 : x
  2. Step 2: Convert to fraction form
    130,512.10/195,768.15 = 88,412.35/x
  3. Step 3: Cross multiply
    130,512.10x = 195,768.15 × 88,412.35
  4. Step 4: Simplify right side
    130,512.10x = 17,308,322,196.65
  5. Step 5: Solve for x
    x = 17,308,322,196.65/130,512.10
  6. Step 6: Final answer
    x = 132,618.53

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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.