Home / 149,620.88-206,598.12-142,855.76

Finding the Fourth Proportional to 149,620.88, 206,598.12 and 142,855.76

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Solution

The fourth proportional to 149,620.88, 206,598.12 and 142,855.76 is: 197,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,620.88 : 206,598.12 = 142,855.76 : x
  2. Step 2: Convert to fraction form
    149,620.88/206,598.12 = 142,855.76/x
  3. Step 3: Cross multiply
    149,620.88x = 206,598.12 × 142,855.76
  4. Step 4: Simplify right side
    149,620.88x = 29,513,731,447.17
  5. Step 5: Solve for x
    x = 29,513,731,447.17/149,620.88
  6. Step 6: Final answer
    x = 197,256.77

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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.