Home / 130,781.45-196,139.34-67,525.25

Finding the Fourth Proportional to 130,781.45, 196,139.34 and 67,525.25

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Solution

The fourth proportional to 130,781.45, 196,139.34 and 67,525.25 is: 101,270.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,781.45 : 196,139.34 = 67,525.25 : x
  2. Step 2: Convert to fraction form
    130,781.45/196,139.34 = 67,525.25/x
  3. Step 3: Cross multiply
    130,781.45x = 196,139.34 × 67,525.25
  4. Step 4: Simplify right side
    130,781.45x = 13,244,356,987.64
  5. Step 5: Solve for x
    x = 13,244,356,987.64/130,781.45
  6. Step 6: Final answer
    x = 101,270.91

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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.