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Finding the Fourth Proportional to 123,633.84, 170,614.70 and 67,045.22

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Solution

The fourth proportional to 123,633.84, 170,614.70 and 67,045.22 is: 92,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,633.84 : 170,614.70 = 67,045.22 : x
  2. Step 2: Convert to fraction form
    123,633.84/170,614.70 = 67,045.22/x
  3. Step 3: Cross multiply
    123,633.84x = 170,614.70 × 67,045.22
  4. Step 4: Simplify right side
    123,633.84x = 11,438,900,176.79
  5. Step 5: Solve for x
    x = 11,438,900,176.79/123,633.84
  6. Step 6: Final answer
    x = 92,522.40

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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.