Home / 126,324.12-189,374.68-51,506.86

Finding the Fourth Proportional to 126,324.12, 189,374.68 and 51,506.86

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Solution

The fourth proportional to 126,324.12, 189,374.68 and 51,506.86 is: 77,214.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,324.12 : 189,374.68 = 51,506.86 : x
  2. Step 2: Convert to fraction form
    126,324.12/189,374.68 = 51,506.86/x
  3. Step 3: Cross multiply
    126,324.12x = 189,374.68 × 51,506.86
  4. Step 4: Simplify right side
    126,324.12x = 9,754,095,130.30
  5. Step 5: Solve for x
    x = 9,754,095,130.30/126,324.12
  6. Step 6: Final answer
    x = 77,214.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.