Home / 202,344.78-279,238.07-111,700.82

Finding the Fourth Proportional to 202,344.78, 279,238.07 and 111,700.82

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Solution

The fourth proportional to 202,344.78, 279,238.07 and 111,700.82 is: 154,148.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,344.78 : 279,238.07 = 111,700.82 : x
  2. Step 2: Convert to fraction form
    202,344.78/279,238.07 = 111,700.82/x
  3. Step 3: Cross multiply
    202,344.78x = 279,238.07 × 111,700.82
  4. Step 4: Simplify right side
    202,344.78x = 31,191,119,439.52
  5. Step 5: Solve for x
    x = 31,191,119,439.52/202,344.78
  6. Step 6: Final answer
    x = 154,148.38

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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.