Home / 189,019.32-260,884.44-108,501.30

Finding the Fourth Proportional to 189,019.32, 260,884.44 and 108,501.30

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Solution

The fourth proportional to 189,019.32, 260,884.44 and 108,501.30 is: 149,753.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,019.32 : 260,884.44 = 108,501.30 : x
  2. Step 2: Convert to fraction form
    189,019.32/260,884.44 = 108,501.30/x
  3. Step 3: Cross multiply
    189,019.32x = 260,884.44 × 108,501.30
  4. Step 4: Simplify right side
    189,019.32x = 28,306,300,889.77
  5. Step 5: Solve for x
    x = 28,306,300,889.77/189,019.32
  6. Step 6: Final answer
    x = 149,753.48

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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.