Home / 141,563.12-212,196.60-52,778

Finding the Fourth Proportional to 141,563.12, 212,196.60 and 52,778

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Solution

The fourth proportional to 141,563.12, 212,196.60 and 52,778 is: 79,111.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,563.12 : 212,196.60 = 52,778 : x
  2. Step 2: Convert to fraction form
    141,563.12/212,196.60 = 52,778/x
  3. Step 3: Cross multiply
    141,563.12x = 212,196.60 × 52,778
  4. Step 4: Simplify right side
    141,563.12x = 11,199,312,154.80
  5. Step 5: Solve for x
    x = 11,199,312,154.80/141,563.12
  6. Step 6: Final answer
    x = 79,111.79

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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.