Home / 150,569.57-207,803.37-90,140.18

Finding the Fourth Proportional to 150,569.57, 207,803.37 and 90,140.18

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Solution

The fourth proportional to 150,569.57, 207,803.37 and 90,140.18 is: 124,403.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,569.57 : 207,803.37 = 90,140.18 : x
  2. Step 2: Convert to fraction form
    150,569.57/207,803.37 = 90,140.18/x
  3. Step 3: Cross multiply
    150,569.57x = 207,803.37 × 90,140.18
  4. Step 4: Simplify right side
    150,569.57x = 18,731,433,176.41
  5. Step 5: Solve for x
    x = 18,731,433,176.41/150,569.57
  6. Step 6: Final answer
    x = 124,403.84

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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.