Home / 154,025.28-230,979.60-60,480

Finding the Fourth Proportional to 154,025.28, 230,979.60 and 60,480

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Solution

The fourth proportional to 154,025.28, 230,979.60 and 60,480 is: 90,697.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,025.28 : 230,979.60 = 60,480 : x
  2. Step 2: Convert to fraction form
    154,025.28/230,979.60 = 60,480/x
  3. Step 3: Cross multiply
    154,025.28x = 230,979.60 × 60,480
  4. Step 4: Simplify right side
    154,025.28x = 13,969,646,208
  5. Step 5: Solve for x
    x = 13,969,646,208/154,025.28
  6. Step 6: Final answer
    x = 90,697.10

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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.