Home / 202,302.42-279,175.95-111,658.38

Finding the Fourth Proportional to 202,302.42, 279,175.95 and 111,658.38

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Solution

The fourth proportional to 202,302.42, 279,175.95 and 111,658.38 is: 154,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,302.42 : 279,175.95 = 111,658.38 : x
  2. Step 2: Convert to fraction form
    202,302.42/279,175.95 = 111,658.38/x
  3. Step 3: Cross multiply
    202,302.42x = 279,175.95 × 111,658.38
  4. Step 4: Simplify right side
    202,302.42x = 31,172,334,311.96
  5. Step 5: Solve for x
    x = 31,172,334,311.96/202,302.42
  6. Step 6: Final answer
    x = 154,087.80

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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.