Home / 100,418.26-150,426.57-60,415.18

Finding the Fourth Proportional to 100,418.26, 150,426.57 and 60,415.18

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Solution

The fourth proportional to 100,418.26, 150,426.57 and 60,415.18 is: 90,501.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,418.26 : 150,426.57 = 60,415.18 : x
  2. Step 2: Convert to fraction form
    100,418.26/150,426.57 = 60,415.18/x
  3. Step 3: Cross multiply
    100,418.26x = 150,426.57 × 60,415.18
  4. Step 4: Simplify right side
    100,418.26x = 9,088,048,303.33
  5. Step 5: Solve for x
    x = 9,088,048,303.33/100,418.26
  6. Step 6: Final answer
    x = 90,501.95

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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.