Home / 150,312.65-207,288.27-89,873.48

Finding the Fourth Proportional to 150,312.65, 207,288.27 and 89,873.48

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Solution

The fourth proportional to 150,312.65, 207,288.27 and 89,873.48 is: 123,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,312.65 : 207,288.27 = 89,873.48 : x
  2. Step 2: Convert to fraction form
    150,312.65/207,288.27 = 89,873.48/x
  3. Step 3: Cross multiply
    150,312.65x = 207,288.27 × 89,873.48
  4. Step 4: Simplify right side
    150,312.65x = 18,629,718,706.30
  5. Step 5: Solve for x
    x = 18,629,718,706.30/150,312.65
  6. Step 6: Final answer
    x = 123,939.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.