Home / 248,865.68-343,434.98-135,688.43

Finding the Fourth Proportional to 248,865.68, 343,434.98 and 135,688.43

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Solution

The fourth proportional to 248,865.68, 343,434.98 and 135,688.43 is: 187,250.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,865.68 : 343,434.98 = 135,688.43 : x
  2. Step 2: Convert to fraction form
    248,865.68/343,434.98 = 135,688.43/x
  3. Step 3: Cross multiply
    248,865.68x = 343,434.98 × 135,688.43
  4. Step 4: Simplify right side
    248,865.68x = 46,600,153,243.28
  5. Step 5: Solve for x
    x = 46,600,153,243.28/248,865.68
  6. Step 6: Final answer
    x = 187,250.22

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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.