Home / 189,031.38-260,863.32-104,150.26

Finding the Fourth Proportional to 189,031.38, 260,863.32 and 104,150.26

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Solution

The fourth proportional to 189,031.38, 260,863.32 and 104,150.26 is: 143,727.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,031.38 : 260,863.32 = 104,150.26 : x
  2. Step 2: Convert to fraction form
    189,031.38/260,863.32 = 104,150.26/x
  3. Step 3: Cross multiply
    189,031.38x = 260,863.32 × 104,150.26
  4. Step 4: Simplify right side
    189,031.38x = 27,168,982,602.46
  5. Step 5: Solve for x
    x = 27,168,982,602.46/189,031.38
  6. Step 6: Final answer
    x = 143,727.37

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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.