Home / 141,329.80-211,886.70-71,259.40

Finding the Fourth Proportional to 141,329.80, 211,886.70 and 71,259.40

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Solution

The fourth proportional to 141,329.80, 211,886.70 and 71,259.40 is: 106,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,329.80 : 211,886.70 = 71,259.40 : x
  2. Step 2: Convert to fraction form
    141,329.80/211,886.70 = 71,259.40/x
  3. Step 3: Cross multiply
    141,329.80x = 211,886.70 × 71,259.40
  4. Step 4: Simplify right side
    141,329.80x = 15,098,919,109.98
  5. Step 5: Solve for x
    x = 15,098,919,109.98/141,329.80
  6. Step 6: Final answer
    x = 106,834.65

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1.5x scale

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.