Home / 141,153.40-211,730.10-71,169.40

Finding the Fourth Proportional to 141,153.40, 211,730.10 and 71,169.40

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Solution

The fourth proportional to 141,153.40, 211,730.10 and 71,169.40 is: 106,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,153.40 : 211,730.10 = 71,169.40 : x
  2. Step 2: Convert to fraction form
    141,153.40/211,730.10 = 71,169.40/x
  3. Step 3: Cross multiply
    141,153.40x = 211,730.10 × 71,169.40
  4. Step 4: Simplify right side
    141,153.40x = 15,068,704,178.94
  5. Step 5: Solve for x
    x = 15,068,704,178.94/141,153.40
  6. Step 6: Final answer
    x = 106,754.10

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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.