Home / 252,400.86-348,319.76-137,681.44

Finding the Fourth Proportional to 252,400.86, 348,319.76 and 137,681.44

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Solution

The fourth proportional to 252,400.86, 348,319.76 and 137,681.44 is: 190,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,400.86 : 348,319.76 = 137,681.44 : x
  2. Step 2: Convert to fraction form
    252,400.86/348,319.76 = 137,681.44/x
  3. Step 3: Cross multiply
    252,400.86x = 348,319.76 × 137,681.44
  4. Step 4: Simplify right side
    252,400.86x = 47,957,163,707.25
  5. Step 5: Solve for x
    x = 47,957,163,707.25/252,400.86
  6. Step 6: Final answer
    x = 190,003.96

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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.