Home / 209,588.25-289,304.69-124,703.49

Finding the Fourth Proportional to 209,588.25, 289,304.69 and 124,703.49

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Solution

The fourth proportional to 209,588.25, 289,304.69 and 124,703.49 is: 172,134.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,588.25 : 289,304.69 = 124,703.49 : x
  2. Step 2: Convert to fraction form
    209,588.25/289,304.69 = 124,703.49/x
  3. Step 3: Cross multiply
    209,588.25x = 289,304.69 × 124,703.49
  4. Step 4: Simplify right side
    209,588.25x = 36,077,303,892.85
  5. Step 5: Solve for x
    x = 36,077,303,892.85/209,588.25
  6. Step 6: Final answer
    x = 172,134.19

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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.