Home / 140,781.19-211,199.34-61,895.17

Finding the Fourth Proportional to 140,781.19, 211,199.34 and 61,895.17

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Solution

The fourth proportional to 140,781.19, 211,199.34 and 61,895.17 is: 92,854.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,781.19 : 211,199.34 = 61,895.17 : x
  2. Step 2: Convert to fraction form
    140,781.19/211,199.34 = 61,895.17/x
  3. Step 3: Cross multiply
    140,781.19x = 211,199.34 × 61,895.17
  4. Step 4: Simplify right side
    140,781.19x = 13,072,219,053.19
  5. Step 5: Solve for x
    x = 13,072,219,053.19/140,781.19
  6. Step 6: Final answer
    x = 92,854.87

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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.