Home / 213,726.94-294,982.76-137,341.51

Finding the Fourth Proportional to 213,726.94, 294,982.76 and 137,341.51

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Solution

The fourth proportional to 213,726.94, 294,982.76 and 137,341.51 is: 189,556.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,726.94 : 294,982.76 = 137,341.51 : x
  2. Step 2: Convert to fraction form
    213,726.94/294,982.76 = 137,341.51/x
  3. Step 3: Cross multiply
    213,726.94x = 294,982.76 × 137,341.51
  4. Step 4: Simplify right side
    213,726.94x = 40,513,377,288.26
  5. Step 5: Solve for x
    x = 40,513,377,288.26/213,726.94
  6. Step 6: Final answer
    x = 189,556.72

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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.