Home / 192,427.45-288,653.02-74,098.90

Finding the Fourth Proportional to 192,427.45, 288,653.02 and 74,098.90

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Solution

The fourth proportional to 192,427.45, 288,653.02 and 74,098.90 is: 111,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,427.45 : 288,653.02 = 74,098.90 : x
  2. Step 2: Convert to fraction form
    192,427.45/288,653.02 = 74,098.90/x
  3. Step 3: Cross multiply
    192,427.45x = 288,653.02 × 74,098.90
  4. Step 4: Simplify right side
    192,427.45x = 21,388,871,439.25
  5. Step 5: Solve for x
    x = 21,388,871,439.25/192,427.45
  6. Step 6: Final answer
    x = 111,152.91

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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.