Home / 200,025.22-275,904.74-128,291.62

Finding the Fourth Proportional to 200,025.22, 275,904.74 and 128,291.62

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Solution

The fourth proportional to 200,025.22, 275,904.74 and 128,291.62 is: 176,959.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,025.22 : 275,904.74 = 128,291.62 : x
  2. Step 2: Convert to fraction form
    200,025.22/275,904.74 = 128,291.62/x
  3. Step 3: Cross multiply
    200,025.22x = 275,904.74 × 128,291.62
  4. Step 4: Simplify right side
    200,025.22x = 35,396,266,060.28
  5. Step 5: Solve for x
    x = 35,396,266,060.28/200,025.22
  6. Step 6: Final answer
    x = 176,959.02

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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.