Home / 212,327.57-293,020.13-121,701.03

Finding the Fourth Proportional to 212,327.57, 293,020.13 and 121,701.03

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Solution

The fourth proportional to 212,327.57, 293,020.13 and 121,701.03 is: 167,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,327.57 : 293,020.13 = 121,701.03 : x
  2. Step 2: Convert to fraction form
    212,327.57/293,020.13 = 121,701.03/x
  3. Step 3: Cross multiply
    212,327.57x = 293,020.13 × 121,701.03
  4. Step 4: Simplify right side
    212,327.57x = 35,660,851,631.73
  5. Step 5: Solve for x
    x = 35,660,851,631.73/212,327.57
  6. Step 6: Final answer
    x = 167,952.05

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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.