Home / 140,673.50-210,999.21-61,788.38

Finding the Fourth Proportional to 140,673.50, 210,999.21 and 61,788.38

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Solution

The fourth proportional to 140,673.50, 210,999.21 and 61,788.38 is: 92,677.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,673.50 : 210,999.21 = 61,788.38 : x
  2. Step 2: Convert to fraction form
    140,673.50/210,999.21 = 61,788.38/x
  3. Step 3: Cross multiply
    140,673.50x = 210,999.21 × 61,788.38
  4. Step 4: Simplify right side
    140,673.50x = 13,037,299,367.18
  5. Step 5: Solve for x
    x = 13,037,299,367.18/140,673.50
  6. Step 6: Final answer
    x = 92,677.72

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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.