Home / 141,426.54-211,999.68-66,412.40

Finding the Fourth Proportional to 141,426.54, 211,999.68 and 66,412.40

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Solution

The fourth proportional to 141,426.54, 211,999.68 and 66,412.40 is: 99,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,426.54 : 211,999.68 = 66,412.40 : x
  2. Step 2: Convert to fraction form
    141,426.54/211,999.68 = 66,412.40/x
  3. Step 3: Cross multiply
    141,426.54x = 211,999.68 × 66,412.40
  4. Step 4: Simplify right side
    141,426.54x = 14,079,408,600.05
  5. Step 5: Solve for x
    x = 14,079,408,600.05/141,426.54
  6. Step 6: Final answer
    x = 99,552.80

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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.