Home / 199,867.28-275,728.25-119,247.93

Finding the Fourth Proportional to 199,867.28, 275,728.25 and 119,247.93

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Solution

The fourth proportional to 199,867.28, 275,728.25 and 119,247.93 is: 164,509.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,867.28 : 275,728.25 = 119,247.93 : x
  2. Step 2: Convert to fraction form
    199,867.28/275,728.25 = 119,247.93/x
  3. Step 3: Cross multiply
    199,867.28x = 275,728.25 × 119,247.93
  4. Step 4: Simplify right side
    199,867.28x = 32,880,023,353.14
  5. Step 5: Solve for x
    x = 32,880,023,353.14/199,867.28
  6. Step 6: Final answer
    x = 164,509.28

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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.