Home / 142,799.42-197,082.87-82,368.74

Finding the Fourth Proportional to 142,799.42, 197,082.87 and 82,368.74

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Solution

The fourth proportional to 142,799.42, 197,082.87 and 82,368.74 is: 113,680.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,799.42 : 197,082.87 = 82,368.74 : x
  2. Step 2: Convert to fraction form
    142,799.42/197,082.87 = 82,368.74/x
  3. Step 3: Cross multiply
    142,799.42x = 197,082.87 × 82,368.74
  4. Step 4: Simplify right side
    142,799.42x = 16,233,466,692.07
  5. Step 5: Solve for x
    x = 16,233,466,692.07/142,799.42
  6. Step 6: Final answer
    x = 113,680.20

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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.