Home / 185,478.24-278,213.04-101,320.32

Finding the Fourth Proportional to 185,478.24, 278,213.04 and 101,320.32

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Solution

The fourth proportional to 185,478.24, 278,213.04 and 101,320.32 is: 151,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,478.24 : 278,213.04 = 101,320.32 : x
  2. Step 2: Convert to fraction form
    185,478.24/278,213.04 = 101,320.32/x
  3. Step 3: Cross multiply
    185,478.24x = 278,213.04 × 101,320.32
  4. Step 4: Simplify right side
    185,478.24x = 28,188,634,240.97
  5. Step 5: Solve for x
    x = 28,188,634,240.97/185,478.24
  6. Step 6: Final answer
    x = 151,978.12

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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.