Home / 199,427.40-299,141.10-133,072.20

Finding the Fourth Proportional to 199,427.40, 299,141.10 and 133,072.20

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Solution

The fourth proportional to 199,427.40, 299,141.10 and 133,072.20 is: 199,608.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,427.40 : 299,141.10 = 133,072.20 : x
  2. Step 2: Convert to fraction form
    199,427.40/299,141.10 = 133,072.20/x
  3. Step 3: Cross multiply
    199,427.40x = 299,141.10 × 133,072.20
  4. Step 4: Simplify right side
    199,427.40x = 39,807,364,287.42
  5. Step 5: Solve for x
    x = 39,807,364,287.42/199,427.40
  6. Step 6: Final answer
    x = 199,608.30

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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.