Home / 90,816.86-136,262.82-40,189.34

Finding the Fourth Proportional to 90,816.86, 136,262.82 and 40,189.34

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Solution

The fourth proportional to 90,816.86, 136,262.82 and 40,189.34 is: 60,300.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,816.86 : 136,262.82 = 40,189.34 : x
  2. Step 2: Convert to fraction form
    90,816.86/136,262.82 = 40,189.34/x
  3. Step 3: Cross multiply
    90,816.86x = 136,262.82 × 40,189.34
  4. Step 4: Simplify right side
    90,816.86x = 5,476,312,802.34
  5. Step 5: Solve for x
    x = 5,476,312,802.34/90,816.86
  6. Step 6: Final answer
    x = 60,300.62

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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.