Home / 189,085.32-260,943.21-104,207.85

Finding the Fourth Proportional to 189,085.32, 260,943.21 and 104,207.85

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Solution

The fourth proportional to 189,085.32, 260,943.21 and 104,207.85 is: 143,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,085.32 : 260,943.21 = 104,207.85 : x
  2. Step 2: Convert to fraction form
    189,085.32/260,943.21 = 104,207.85/x
  3. Step 3: Cross multiply
    189,085.32x = 260,943.21 × 104,207.85
  4. Step 4: Simplify right side
    189,085.32x = 27,192,330,886.20
  5. Step 5: Solve for x
    x = 27,192,330,886.20/189,085.32
  6. Step 6: Final answer
    x = 143,809.85

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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.