Home / 252,897.18-348,993.98-138,173.35

Finding the Fourth Proportional to 252,897.18, 348,993.98 and 138,173.35

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Solution

The fourth proportional to 252,897.18, 348,993.98 and 138,173.35 is: 190,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,897.18 : 348,993.98 = 138,173.35 : x
  2. Step 2: Convert to fraction form
    252,897.18/348,993.98 = 138,173.35/x
  3. Step 3: Cross multiply
    252,897.18x = 348,993.98 × 138,173.35
  4. Step 4: Simplify right side
    252,897.18x = 48,221,668,131.45
  5. Step 5: Solve for x
    x = 48,221,668,131.45/252,897.18
  6. Step 6: Final answer
    x = 190,676.97

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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.