Home / 212,205.68-292,846.92-121,561.04

Finding the Fourth Proportional to 212,205.68, 292,846.92 and 121,561.04

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Solution

The fourth proportional to 212,205.68, 292,846.92 and 121,561.04 is: 167,756.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,205.68 : 292,846.92 = 121,561.04 : x
  2. Step 2: Convert to fraction form
    212,205.68/292,846.92 = 121,561.04/x
  3. Step 3: Cross multiply
    212,205.68x = 292,846.92 × 121,561.04
  4. Step 4: Simplify right side
    212,205.68x = 35,598,776,156.00
  5. Step 5: Solve for x
    x = 35,598,776,156.00/212,205.68
  6. Step 6: Final answer
    x = 167,756.00

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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.