Home / 145,940.91-201,395.76-82,278.75

Finding the Fourth Proportional to 145,940.91, 201,395.76 and 82,278.75

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Solution

The fourth proportional to 145,940.91, 201,395.76 and 82,278.75 is: 113,543.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,940.91 : 201,395.76 = 82,278.75 : x
  2. Step 2: Convert to fraction form
    145,940.91/201,395.76 = 82,278.75/x
  3. Step 3: Cross multiply
    145,940.91x = 201,395.76 × 82,278.75
  4. Step 4: Simplify right side
    145,940.91x = 16,570,591,388.10
  5. Step 5: Solve for x
    x = 16,570,591,388.10/145,940.91
  6. Step 6: Final answer
    x = 113,543.16

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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.