Home / 122,648.20-183,972.30-89,600.20

Finding the Fourth Proportional to 122,648.20, 183,972.30 and 89,600.20

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Solution

The fourth proportional to 122,648.20, 183,972.30 and 89,600.20 is: 134,400.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,648.20 : 183,972.30 = 89,600.20 : x
  2. Step 2: Convert to fraction form
    122,648.20/183,972.30 = 89,600.20/x
  3. Step 3: Cross multiply
    122,648.20x = 183,972.30 × 89,600.20
  4. Step 4: Simplify right side
    122,648.20x = 16,483,954,874.46
  5. Step 5: Solve for x
    x = 16,483,954,874.46/122,648.20
  6. Step 6: Final answer
    x = 134,400.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.