Home / 185,280.22-255,688.72-108,800.22

Finding the Fourth Proportional to 185,280.22, 255,688.72 and 108,800.22

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Solution

The fourth proportional to 185,280.22, 255,688.72 and 108,800.22 is: 150,145.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,280.22 : 255,688.72 = 108,800.22 : x
  2. Step 2: Convert to fraction form
    185,280.22/255,688.72 = 108,800.22/x
  3. Step 3: Cross multiply
    185,280.22x = 255,688.72 × 108,800.22
  4. Step 4: Simplify right side
    185,280.22x = 27,818,988,987.52
  5. Step 5: Solve for x
    x = 27,818,988,987.52/185,280.22
  6. Step 6: Final answer
    x = 150,145.49

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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.