Home / 141,751.28-212,647.66-51,798.44

Finding the Fourth Proportional to 141,751.28, 212,647.66 and 51,798.44

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Solution

The fourth proportional to 141,751.28, 212,647.66 and 51,798.44 is: 77,705.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,751.28 : 212,647.66 = 51,798.44 : x
  2. Step 2: Convert to fraction form
    141,751.28/212,647.66 = 51,798.44/x
  3. Step 3: Cross multiply
    141,751.28x = 212,647.66 × 51,798.44
  4. Step 4: Simplify right side
    141,751.28x = 11,014,817,057.65
  5. Step 5: Solve for x
    x = 11,014,817,057.65/141,751.28
  6. Step 6: Final answer
    x = 77,705.24

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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.