Home / 141,225.21-211,735.17-66,306.78

Finding the Fourth Proportional to 141,225.21, 211,735.17 and 66,306.78

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Solution

The fourth proportional to 141,225.21, 211,735.17 and 66,306.78 is: 99,411.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,225.21 : 211,735.17 = 66,306.78 : x
  2. Step 2: Convert to fraction form
    141,225.21/211,735.17 = 66,306.78/x
  3. Step 3: Cross multiply
    141,225.21x = 211,735.17 × 66,306.78
  4. Step 4: Simplify right side
    141,225.21x = 14,039,477,335.45
  5. Step 5: Solve for x
    x = 14,039,477,335.45/141,225.21
  6. Step 6: Final answer
    x = 99,411.98

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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.