Home / 130,416.72-195,546.36-71,170.08

Finding the Fourth Proportional to 130,416.72, 195,546.36 and 71,170.08

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Solution

The fourth proportional to 130,416.72, 195,546.36 and 71,170.08 is: 106,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,416.72 : 195,546.36 = 71,170.08 : x
  2. Step 2: Convert to fraction form
    130,416.72/195,546.36 = 71,170.08/x
  3. Step 3: Cross multiply
    130,416.72x = 195,546.36 × 71,170.08
  4. Step 4: Simplify right side
    130,416.72x = 13,917,050,084.91
  5. Step 5: Solve for x
    x = 13,917,050,084.91/130,416.72
  6. Step 6: Final answer
    x = 106,712.16

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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.