Home / 154,280.20-231,374.94-65,533

Finding the Fourth Proportional to 154,280.20, 231,374.94 and 65,533

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Solution

The fourth proportional to 154,280.20, 231,374.94 and 65,533 is: 98,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,280.20 : 231,374.94 = 65,533 : x
  2. Step 2: Convert to fraction form
    154,280.20/231,374.94 = 65,533/x
  3. Step 3: Cross multiply
    154,280.20x = 231,374.94 × 65,533
  4. Step 4: Simplify right side
    154,280.20x = 15,162,693,943.02
  5. Step 5: Solve for x
    x = 15,162,693,943.02/154,280.20
  6. Step 6: Final answer
    x = 98,280.23

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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.