Home / 141,196.12-211,731.98-66,337.54

Finding the Fourth Proportional to 141,196.12, 211,731.98 and 66,337.54

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Solution

The fourth proportional to 141,196.12, 211,731.98 and 66,337.54 is: 99,477.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,196.12 : 211,731.98 = 66,337.54 : x
  2. Step 2: Convert to fraction form
    141,196.12/211,731.98 = 66,337.54/x
  3. Step 3: Cross multiply
    141,196.12x = 211,731.98 × 66,337.54
  4. Step 4: Simplify right side
    141,196.12x = 14,045,778,692.53
  5. Step 5: Solve for x
    x = 14,045,778,692.53/141,196.12
  6. Step 6: Final answer
    x = 99,477.09

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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.