Home / 140,543.24-210,829.65-45,780.83

Finding the Fourth Proportional to 140,543.24, 210,829.65 and 45,780.83

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Solution

The fourth proportional to 140,543.24, 210,829.65 and 45,780.83 is: 68,676.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,543.24 : 210,829.65 = 45,780.83 : x
  2. Step 2: Convert to fraction form
    140,543.24/210,829.65 = 45,780.83/x
  3. Step 3: Cross multiply
    140,543.24x = 210,829.65 × 45,780.83
  4. Step 4: Simplify right side
    140,543.24x = 9,651,956,365.61
  5. Step 5: Solve for x
    x = 9,651,956,365.61/140,543.24
  6. Step 6: Final answer
    x = 68,676.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.