Home / 154,499.05-231,588.80-87,795.55

Finding the Fourth Proportional to 154,499.05, 231,588.80 and 87,795.55

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Solution

The fourth proportional to 154,499.05, 231,588.80 and 87,795.55 is: 131,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,499.05 : 231,588.80 = 87,795.55 : x
  2. Step 2: Convert to fraction form
    154,499.05/231,588.80 = 87,795.55/x
  3. Step 3: Cross multiply
    154,499.05x = 231,588.80 × 87,795.55
  4. Step 4: Simplify right side
    154,499.05x = 20,332,466,069.84
  5. Step 5: Solve for x
    x = 20,332,466,069.84/154,499.05
  6. Step 6: Final answer
    x = 131,602.53

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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.