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Finding the Fourth Proportional to 97,255.40, 144,860.29 and 92,705

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Solution

The fourth proportional to 97,255.40, 144,860.29 and 92,705 is: 138,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,255.40 : 144,860.29 = 92,705 : x
  2. Step 2: Convert to fraction form
    97,255.40/144,860.29 = 92,705/x
  3. Step 3: Cross multiply
    97,255.40x = 144,860.29 × 92,705
  4. Step 4: Simplify right side
    97,255.40x = 13,429,273,184.45
  5. Step 5: Solve for x
    x = 13,429,273,184.45/97,255.40
  6. Step 6: Final answer
    x = 138,082.55

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.