Home / 141,029.18-211,344.87-77,877.74

Finding the Fourth Proportional to 141,029.18, 211,344.87 and 77,877.74

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Solution

The fourth proportional to 141,029.18, 211,344.87 and 77,877.74 is: 116,706.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,029.18 : 211,344.87 = 77,877.74 : x
  2. Step 2: Convert to fraction form
    141,029.18/211,344.87 = 77,877.74/x
  3. Step 3: Cross multiply
    141,029.18x = 211,344.87 × 77,877.74
  4. Step 4: Simplify right side
    141,029.18x = 16,459,059,779.47
  5. Step 5: Solve for x
    x = 16,459,059,779.47/141,029.18
  6. Step 6: Final answer
    x = 116,706.77

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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.