Home / 199,545.56-275,379.30-113,502.32

Finding the Fourth Proportional to 199,545.56, 275,379.30 and 113,502.32

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Solution

The fourth proportional to 199,545.56, 275,379.30 and 113,502.32 is: 156,636.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,545.56 : 275,379.30 = 113,502.32 : x
  2. Step 2: Convert to fraction form
    199,545.56/275,379.30 = 113,502.32/x
  3. Step 3: Cross multiply
    199,545.56x = 275,379.30 × 113,502.32
  4. Step 4: Simplify right side
    199,545.56x = 31,256,189,429.98
  5. Step 5: Solve for x
    x = 31,256,189,429.98/199,545.56
  6. Step 6: Final answer
    x = 156,636.86

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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.