Home / 90,948.90-136,416.99-34,011.96

Finding the Fourth Proportional to 90,948.90, 136,416.99 and 34,011.96

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Solution

The fourth proportional to 90,948.90, 136,416.99 and 34,011.96 is: 51,015.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,948.90 : 136,416.99 = 34,011.96 : x
  2. Step 2: Convert to fraction form
    90,948.90/136,416.99 = 34,011.96/x
  3. Step 3: Cross multiply
    90,948.90x = 136,416.99 × 34,011.96
  4. Step 4: Simplify right side
    90,948.90x = 4,639,809,463.21
  5. Step 5: Solve for x
    x = 4,639,809,463.21/90,948.90
  6. Step 6: Final answer
    x = 51,015.57

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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.