Home / 141,765.20-212,647.80-57,525.20

Finding the Fourth Proportional to 141,765.20, 212,647.80 and 57,525.20

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Solution

The fourth proportional to 141,765.20, 212,647.80 and 57,525.20 is: 86,287.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,765.20 : 212,647.80 = 57,525.20 : x
  2. Step 2: Convert to fraction form
    141,765.20/212,647.80 = 57,525.20/x
  3. Step 3: Cross multiply
    141,765.20x = 212,647.80 × 57,525.20
  4. Step 4: Simplify right side
    141,765.20x = 12,232,607,224.56
  5. Step 5: Solve for x
    x = 12,232,607,224.56/141,765.20
  6. Step 6: Final answer
    x = 86,287.80

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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.