Home / 253,620.11-349,991.43-140,440.43

Finding the Fourth Proportional to 253,620.11, 349,991.43 and 140,440.43

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Solution

The fourth proportional to 253,620.11, 349,991.43 and 140,440.43 is: 193,805.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,620.11 : 349,991.43 = 140,440.43 : x
  2. Step 2: Convert to fraction form
    253,620.11/349,991.43 = 140,440.43/x
  3. Step 3: Cross multiply
    253,620.11x = 349,991.43 × 140,440.43
  4. Step 4: Simplify right side
    253,620.11x = 49,152,946,925.51
  5. Step 5: Solve for x
    x = 49,152,946,925.51/253,620.11
  6. Step 6: Final answer
    x = 193,805.40

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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.