Home / 140,306.69-193,627.48-76,648.58

Finding the Fourth Proportional to 140,306.69, 193,627.48 and 76,648.58

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Solution

The fourth proportional to 140,306.69, 193,627.48 and 76,648.58 is: 105,777.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,306.69 : 193,627.48 = 76,648.58 : x
  2. Step 2: Convert to fraction form
    140,306.69/193,627.48 = 76,648.58/x
  3. Step 3: Cross multiply
    140,306.69x = 193,627.48 × 76,648.58
  4. Step 4: Simplify right side
    140,306.69x = 14,841,271,390.98
  5. Step 5: Solve for x
    x = 14,841,271,390.98/140,306.69
  6. Step 6: Final answer
    x = 105,777.36

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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.