Home / 90,970.23-136,481.66-37,652.35

Finding the Fourth Proportional to 90,970.23, 136,481.66 and 37,652.35

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Solution

The fourth proportional to 90,970.23, 136,481.66 and 37,652.35 is: 56,489.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,970.23 : 136,481.66 = 37,652.35 : x
  2. Step 2: Convert to fraction form
    90,970.23/136,481.66 = 37,652.35/x
  3. Step 3: Cross multiply
    90,970.23x = 136,481.66 × 37,652.35
  4. Step 4: Simplify right side
    90,970.23x = 5,138,855,230.90
  5. Step 5: Solve for x
    x = 5,138,855,230.90/90,970.23
  6. Step 6: Final answer
    x = 56,489.42

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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.