Home / 189,280.19-261,206.16-108,712.93

Finding the Fourth Proportional to 189,280.19, 261,206.16 and 108,712.93

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Solution

The fourth proportional to 189,280.19, 261,206.16 and 108,712.93 is: 150,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,280.19 : 261,206.16 = 108,712.93 : x
  2. Step 2: Convert to fraction form
    189,280.19/261,206.16 = 108,712.93/x
  3. Step 3: Cross multiply
    189,280.19x = 261,206.16 × 108,712.93
  4. Step 4: Simplify right side
    189,280.19x = 28,396,486,987.65
  5. Step 5: Solve for x
    x = 28,396,486,987.65/189,280.19
  6. Step 6: Final answer
    x = 150,023.55

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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.