Home / 150,583.55-207,811.82-90,142.50

Finding the Fourth Proportional to 150,583.55, 207,811.82 and 90,142.50

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Solution

The fourth proportional to 150,583.55, 207,811.82 and 90,142.50 is: 124,400.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,583.55 : 207,811.82 = 90,142.50 : x
  2. Step 2: Convert to fraction form
    150,583.55/207,811.82 = 90,142.50/x
  3. Step 3: Cross multiply
    150,583.55x = 207,811.82 × 90,142.50
  4. Step 4: Simplify right side
    150,583.55x = 18,732,676,533.64
  5. Step 5: Solve for x
    x = 18,732,676,533.64/150,583.55
  6. Step 6: Final answer
    x = 124,400.55

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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.