Home / 212,419.80-293,115.27-125,199.20

Finding the Fourth Proportional to 212,419.80, 293,115.27 and 125,199.20

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Solution

The fourth proportional to 212,419.80, 293,115.27 and 125,199.20 is: 172,760.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,419.80 : 293,115.27 = 125,199.20 : x
  2. Step 2: Convert to fraction form
    212,419.80/293,115.27 = 125,199.20/x
  3. Step 3: Cross multiply
    212,419.80x = 293,115.27 × 125,199.20
  4. Step 4: Simplify right side
    212,419.80x = 36,697,798,514.07
  5. Step 5: Solve for x
    x = 36,697,798,514.07/212,419.80
  6. Step 6: Final answer
    x = 172,760.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.