Home / 140,218.26-210,327.69-61,338.63

Finding the Fourth Proportional to 140,218.26, 210,327.69 and 61,338.63

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Solution

The fourth proportional to 140,218.26, 210,327.69 and 61,338.63 is: 92,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,218.26 : 210,327.69 = 61,338.63 : x
  2. Step 2: Convert to fraction form
    140,218.26/210,327.69 = 61,338.63/x
  3. Step 3: Cross multiply
    140,218.26x = 210,327.69 × 61,338.63
  4. Step 4: Simplify right side
    140,218.26x = 12,901,212,355.66
  5. Step 5: Solve for x
    x = 12,901,212,355.66/140,218.26
  6. Step 6: Final answer
    x = 92,008.08

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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.