Home / 202,262.04-279,003.77-129,639.06

Finding the Fourth Proportional to 202,262.04, 279,003.77 and 129,639.06

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Solution

The fourth proportional to 202,262.04, 279,003.77 and 129,639.06 is: 178,826.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,262.04 : 279,003.77 = 129,639.06 : x
  2. Step 2: Convert to fraction form
    202,262.04/279,003.77 = 129,639.06/x
  3. Step 3: Cross multiply
    202,262.04x = 279,003.77 × 129,639.06
  4. Step 4: Simplify right side
    202,262.04x = 36,169,786,479.26
  5. Step 5: Solve for x
    x = 36,169,786,479.26/202,262.04
  6. Step 6: Final answer
    x = 178,826.37

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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.