Home / 142,774.32-197,028.12-92,560.56

Finding the Fourth Proportional to 142,774.32, 197,028.12 and 92,560.56

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Solution

The fourth proportional to 142,774.32, 197,028.12 and 92,560.56 is: 127,733.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,774.32 : 197,028.12 = 92,560.56 : x
  2. Step 2: Convert to fraction form
    142,774.32/197,028.12 = 92,560.56/x
  3. Step 3: Cross multiply
    142,774.32x = 197,028.12 × 92,560.56
  4. Step 4: Simplify right side
    142,774.32x = 18,237,033,122.95
  5. Step 5: Solve for x
    x = 18,237,033,122.95/142,774.32
  6. Step 6: Final answer
    x = 127,733.29

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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.