Home / 195,429.80-293,144.70-70,860.20

Finding the Fourth Proportional to 195,429.80, 293,144.70 and 70,860.20

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Solution

The fourth proportional to 195,429.80, 293,144.70 and 70,860.20 is: 106,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,429.80 : 293,144.70 = 70,860.20 : x
  2. Step 2: Convert to fraction form
    195,429.80/293,144.70 = 70,860.20/x
  3. Step 3: Cross multiply
    195,429.80x = 293,144.70 × 70,860.20
  4. Step 4: Simplify right side
    195,429.80x = 20,772,292,070.94
  5. Step 5: Solve for x
    x = 20,772,292,070.94/195,429.80
  6. Step 6: Final answer
    x = 106,290.30

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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.