Home / 141,178.69-211,638.06-61,166.38

Finding the Fourth Proportional to 141,178.69, 211,638.06 and 61,166.38

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Solution

The fourth proportional to 141,178.69, 211,638.06 and 61,166.38 is: 91,693.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178.69 : 211,638.06 = 61,166.38 : x
  2. Step 2: Convert to fraction form
    141,178.69/211,638.06 = 61,166.38/x
  3. Step 3: Cross multiply
    141,178.69x = 211,638.06 × 61,166.38
  4. Step 4: Simplify right side
    141,178.69x = 12,945,134,000.42
  5. Step 5: Solve for x
    x = 12,945,134,000.42/141,178.69
  6. Step 6: Final answer
    x = 91,693.26

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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.