Home / 250,227.47-345,338.73-142,813.77

Finding the Fourth Proportional to 250,227.47, 345,338.73 and 142,813.77

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Solution

The fourth proportional to 250,227.47, 345,338.73 and 142,813.77 is: 197,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,227.47 : 345,338.73 = 142,813.77 : x
  2. Step 2: Convert to fraction form
    250,227.47/345,338.73 = 142,813.77/x
  3. Step 3: Cross multiply
    250,227.47x = 345,338.73 × 142,813.77
  4. Step 4: Simplify right side
    250,227.47x = 49,319,125,958.31
  5. Step 5: Solve for x
    x = 49,319,125,958.31/250,227.47
  6. Step 6: Final answer
    x = 197,097.17

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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.