Home / 223,100.52-307,876.51-121,126.92

Finding the Fourth Proportional to 223,100.52, 307,876.51 and 121,126.92

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Solution

The fourth proportional to 223,100.52, 307,876.51 and 121,126.92 is: 167,153.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,100.52 : 307,876.51 = 121,126.92 : x
  2. Step 2: Convert to fraction form
    223,100.52/307,876.51 = 121,126.92/x
  3. Step 3: Cross multiply
    223,100.52x = 307,876.51 × 121,126.92
  4. Step 4: Simplify right side
    223,100.52x = 37,292,133,396.65
  5. Step 5: Solve for x
    x = 37,292,133,396.65/223,100.52
  6. Step 6: Final answer
    x = 167,153.95

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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.