Home / 90,889.26-136,270.32-40,263.63

Finding the Fourth Proportional to 90,889.26, 136,270.32 and 40,263.63

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Solution

The fourth proportional to 90,889.26, 136,270.32 and 40,263.63 is: 60,367.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.26 : 136,270.32 = 40,263.63 : x
  2. Step 2: Convert to fraction form
    90,889.26/136,270.32 = 40,263.63/x
  3. Step 3: Cross multiply
    90,889.26x = 136,270.32 × 40,263.63
  4. Step 4: Simplify right side
    90,889.26x = 5,486,737,744.46
  5. Step 5: Solve for x
    x = 5,486,737,744.46/90,889.26
  6. Step 6: Final answer
    x = 60,367.28

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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.