Home / 141,377.04-211,950.36-78,194.58

Finding the Fourth Proportional to 141,377.04, 211,950.36 and 78,194.58

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Solution

The fourth proportional to 141,377.04, 211,950.36 and 78,194.58 is: 117,228.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,377.04 : 211,950.36 = 78,194.58 : x
  2. Step 2: Convert to fraction form
    141,377.04/211,950.36 = 78,194.58/x
  3. Step 3: Cross multiply
    141,377.04x = 211,950.36 × 78,194.58
  4. Step 4: Simplify right side
    141,377.04x = 16,573,369,381.05
  5. Step 5: Solve for x
    x = 16,573,369,381.05/141,377.04
  6. Step 6: Final answer
    x = 117,228.15

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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.