Home / 189,025.40-260,852.30-108,451.16

Finding the Fourth Proportional to 189,025.40, 260,852.30 and 108,451.16

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Solution

The fourth proportional to 189,025.40, 260,852.30 and 108,451.16 is: 149,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,025.40 : 260,852.30 = 108,451.16 : x
  2. Step 2: Convert to fraction form
    189,025.40/260,852.30 = 108,451.16/x
  3. Step 3: Cross multiply
    189,025.40x = 260,852.30 × 108,451.16
  4. Step 4: Simplify right side
    189,025.40x = 28,289,732,677.15
  5. Step 5: Solve for x
    x = 28,289,732,677.15/189,025.40
  6. Step 6: Final answer
    x = 149,661.02

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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.