Home / 213,938.40-295,232.96-123,261.12

Finding the Fourth Proportional to 213,938.40, 295,232.96 and 123,261.12

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Solution

The fourth proportional to 213,938.40, 295,232.96 and 123,261.12 is: 170,099.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,938.40 : 295,232.96 = 123,261.12 : x
  2. Step 2: Convert to fraction form
    213,938.40/295,232.96 = 123,261.12/x
  3. Step 3: Cross multiply
    213,938.40x = 295,232.96 × 123,261.12
  4. Step 4: Simplify right side
    213,938.40x = 36,390,745,310.52
  5. Step 5: Solve for x
    x = 36,390,745,310.52/213,938.40
  6. Step 6: Final answer
    x = 170,099.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.