Home / 202,204.12-279,131.16-130,619.04

Finding the Fourth Proportional to 202,204.12, 279,131.16 and 130,619.04

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Solution

The fourth proportional to 202,204.12, 279,131.16 and 130,619.04 is: 180,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,204.12 : 279,131.16 = 130,619.04 : x
  2. Step 2: Convert to fraction form
    202,204.12/279,131.16 = 130,619.04/x
  3. Step 3: Cross multiply
    202,204.12x = 279,131.16 × 130,619.04
  4. Step 4: Simplify right side
    202,204.12x = 36,459,844,153.29
  5. Step 5: Solve for x
    x = 36,459,844,153.29/202,204.12
  6. Step 6: Final answer
    x = 180,312.07

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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.