Home / 154,024.60-212,552.20-90,350.16

Finding the Fourth Proportional to 154,024.60, 212,552.20 and 90,350.16

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Solution

The fourth proportional to 154,024.60, 212,552.20 and 90,350.16 is: 124,682.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,024.60 : 212,552.20 = 90,350.16 : x
  2. Step 2: Convert to fraction form
    154,024.60/212,552.20 = 90,350.16/x
  3. Step 3: Cross multiply
    154,024.60x = 212,552.20 × 90,350.16
  4. Step 4: Simplify right side
    154,024.60x = 19,204,125,278.35
  5. Step 5: Solve for x
    x = 19,204,125,278.35/154,024.60
  6. Step 6: Final answer
    x = 124,682.20

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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.