Home / 189,246.56-261,148.38-108,617.36

Finding the Fourth Proportional to 189,246.56, 261,148.38 and 108,617.36

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Solution

The fourth proportional to 189,246.56, 261,148.38 and 108,617.36 is: 149,885.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,246.56 : 261,148.38 = 108,617.36 : x
  2. Step 2: Convert to fraction form
    189,246.56/261,148.38 = 108,617.36/x
  3. Step 3: Cross multiply
    189,246.56x = 261,148.38 × 108,617.36
  4. Step 4: Simplify right side
    189,246.56x = 28,365,247,603.88
  5. Step 5: Solve for x
    x = 28,365,247,603.88/189,246.56
  6. Step 6: Final answer
    x = 149,885.14

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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.