Home / 189,036.91-260,864.76-108,463.15

Finding the Fourth Proportional to 189,036.91, 260,864.76 and 108,463.15

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Solution

The fourth proportional to 189,036.91, 260,864.76 and 108,463.15 is: 149,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,036.91 : 260,864.76 = 108,463.15 : x
  2. Step 2: Convert to fraction form
    189,036.91/260,864.76 = 108,463.15/x
  3. Step 3: Cross multiply
    189,036.91x = 260,864.76 × 108,463.15
  4. Step 4: Simplify right side
    189,036.91x = 28,294,213,593.59
  5. Step 5: Solve for x
    x = 28,294,213,593.59/189,036.91
  6. Step 6: Final answer
    x = 149,675.60

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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.