Home / 136,430.91-188,269.74-75,998.25

Finding the Fourth Proportional to 136,430.91, 188,269.74 and 75,998.25

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Solution

The fourth proportional to 136,430.91, 188,269.74 and 75,998.25 is: 104,874.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,430.91 : 188,269.74 = 75,998.25 : x
  2. Step 2: Convert to fraction form
    136,430.91/188,269.74 = 75,998.25/x
  3. Step 3: Cross multiply
    136,430.91x = 188,269.74 × 75,998.25
  4. Step 4: Simplify right side
    136,430.91x = 14,308,170,767.96
  5. Step 5: Solve for x
    x = 14,308,170,767.96/136,430.91
  6. Step 6: Final answer
    x = 104,874.85

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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.