Home / 141,029.30-211,345.05-77,877.85

Finding the Fourth Proportional to 141,029.30, 211,345.05 and 77,877.85

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Solution

The fourth proportional to 141,029.30, 211,345.05 and 77,877.85 is: 116,706.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,029.30 : 211,345.05 = 77,877.85 : x
  2. Step 2: Convert to fraction form
    141,029.30/211,345.05 = 77,877.85/x
  3. Step 3: Cross multiply
    141,029.30x = 211,345.05 × 77,877.85
  4. Step 4: Simplify right side
    141,029.30x = 16,459,098,102.14
  5. Step 5: Solve for x
    x = 16,459,098,102.14/141,029.30
  6. Step 6: Final answer
    x = 116,706.94

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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.