Home / 202,320.16-279,180.16-116,261.72

Finding the Fourth Proportional to 202,320.16, 279,180.16 and 116,261.72

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Solution

The fourth proportional to 202,320.16, 279,180.16 and 116,261.72 is: 160,428.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,320.16 : 279,180.16 = 116,261.72 : x
  2. Step 2: Convert to fraction form
    202,320.16/279,180.16 = 116,261.72/x
  3. Step 3: Cross multiply
    202,320.16x = 279,180.16 × 116,261.72
  4. Step 4: Simplify right side
    202,320.16x = 32,457,965,591.48
  5. Step 5: Solve for x
    x = 32,457,965,591.48/202,320.16
  6. Step 6: Final answer
    x = 160,428.73

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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.