Home / 140,815.98-210,904.83-98,883.90

Finding the Fourth Proportional to 140,815.98, 210,904.83 and 98,883.90

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Solution

The fourth proportional to 140,815.98, 210,904.83 and 98,883.90 is: 148,101.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,815.98 : 210,904.83 = 98,883.90 : x
  2. Step 2: Convert to fraction form
    140,815.98/210,904.83 = 98,883.90/x
  3. Step 3: Cross multiply
    140,815.98x = 210,904.83 × 98,883.90
  4. Step 4: Simplify right side
    140,815.98x = 20,855,092,119.24
  5. Step 5: Solve for x
    x = 20,855,092,119.24/140,815.98
  6. Step 6: Final answer
    x = 148,101.74

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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.