Home / 188,080.08-259,552.28-103,200.20

Finding the Fourth Proportional to 188,080.08, 259,552.28 and 103,200.20

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Solution

The fourth proportional to 188,080.08, 259,552.28 and 103,200.20 is: 142,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,080.08 : 259,552.28 = 103,200.20 : x
  2. Step 2: Convert to fraction form
    188,080.08/259,552.28 = 103,200.20/x
  3. Step 3: Cross multiply
    188,080.08x = 259,552.28 × 103,200.20
  4. Step 4: Simplify right side
    188,080.08x = 26,785,847,206.46
  5. Step 5: Solve for x
    x = 26,785,847,206.46/188,080.08
  6. Step 6: Final answer
    x = 142,417.25

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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.