Home / 99,384.30-149,076.45-25,512.30

Finding the Fourth Proportional to 99,384.30, 149,076.45 and 25,512.30

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Solution

The fourth proportional to 99,384.30, 149,076.45 and 25,512.30 is: 38,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,384.30 : 149,076.45 = 25,512.30 : x
  2. Step 2: Convert to fraction form
    99,384.30/149,076.45 = 25,512.30/x
  3. Step 3: Cross multiply
    99,384.30x = 149,076.45 × 25,512.30
  4. Step 4: Simplify right side
    99,384.30x = 3,803,283,115.34
  5. Step 5: Solve for x
    x = 3,803,283,115.34/99,384.30
  6. Step 6: Final answer
    x = 38,268.45

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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.