Home / 154,438.02-231,509.07-49,188.78

Finding the Fourth Proportional to 154,438.02, 231,509.07 and 49,188.78

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Solution

The fourth proportional to 154,438.02, 231,509.07 and 49,188.78 is: 73,736.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.02 : 231,509.07 = 49,188.78 : x
  2. Step 2: Convert to fraction form
    154,438.02/231,509.07 = 49,188.78/x
  3. Step 3: Cross multiply
    154,438.02x = 231,509.07 × 49,188.78
  4. Step 4: Simplify right side
    154,438.02x = 11,387,648,712.23
  5. Step 5: Solve for x
    x = 11,387,648,712.23/154,438.02
  6. Step 6: Final answer
    x = 73,736.04

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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.