Home / 141,355.93-211,729.40-66,363.70

Finding the Fourth Proportional to 141,355.93, 211,729.40 and 66,363.70

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Solution

The fourth proportional to 141,355.93, 211,729.40 and 66,363.70 is: 99,402.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,355.93 : 211,729.40 = 66,363.70 : x
  2. Step 2: Convert to fraction form
    141,355.93/211,729.40 = 66,363.70/x
  3. Step 3: Cross multiply
    141,355.93x = 211,729.40 × 66,363.70
  4. Step 4: Simplify right side
    141,355.93x = 14,051,145,324.13
  5. Step 5: Solve for x
    x = 14,051,145,324.13/141,355.93
  6. Step 6: Final answer
    x = 99,402.59

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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.