Home / 149,432.12-206,199.78-88,994.36

Finding the Fourth Proportional to 149,432.12, 206,199.78 and 88,994.36

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Solution

The fourth proportional to 149,432.12, 206,199.78 and 88,994.36 is: 122,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,432.12 : 206,199.78 = 88,994.36 : x
  2. Step 2: Convert to fraction form
    149,432.12/206,199.78 = 88,994.36/x
  3. Step 3: Cross multiply
    149,432.12x = 206,199.78 × 88,994.36
  4. Step 4: Simplify right side
    149,432.12x = 18,350,617,453.24
  5. Step 5: Solve for x
    x = 18,350,617,453.24/149,432.12
  6. Step 6: Final answer
    x = 122,802.36

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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.