Home / 141,426.91-212,279.78-103,881.58

Finding the Fourth Proportional to 141,426.91, 212,279.78 and 103,881.58

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Solution

The fourth proportional to 141,426.91, 212,279.78 and 103,881.58 is: 155,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,426.91 : 212,279.78 = 103,881.58 : x
  2. Step 2: Convert to fraction form
    141,426.91/212,279.78 = 103,881.58/x
  3. Step 3: Cross multiply
    141,426.91x = 212,279.78 × 103,881.58
  4. Step 4: Simplify right side
    141,426.91x = 22,051,958,429.04
  5. Step 5: Solve for x
    x = 22,051,958,429.04/141,426.91
  6. Step 6: Final answer
    x = 155,924.77

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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.