Home / 212,521.12-293,256.85-120,611.14

Finding the Fourth Proportional to 212,521.12, 293,256.85 and 120,611.14

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Solution

The fourth proportional to 212,521.12, 293,256.85 and 120,611.14 is: 166,430.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,521.12 : 293,256.85 = 120,611.14 : x
  2. Step 2: Convert to fraction form
    212,521.12/293,256.85 = 120,611.14/x
  3. Step 3: Cross multiply
    212,521.12x = 293,256.85 × 120,611.14
  4. Step 4: Simplify right side
    212,521.12x = 35,370,041,956.64
  5. Step 5: Solve for x
    x = 35,370,041,956.64/212,521.12
  6. Step 6: Final answer
    x = 166,430.71

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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.