Home / 141,849.35-212,822.63-48,420.71

Finding the Fourth Proportional to 141,849.35, 212,822.63 and 48,420.71

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Solution

The fourth proportional to 141,849.35, 212,822.63 and 48,420.71 is: 72,647.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,849.35 : 212,822.63 = 48,420.71 : x
  2. Step 2: Convert to fraction form
    141,849.35/212,822.63 = 48,420.71/x
  3. Step 3: Cross multiply
    141,849.35x = 212,822.63 × 48,420.71
  4. Step 4: Simplify right side
    141,849.35x = 10,305,022,848.67
  5. Step 5: Solve for x
    x = 10,305,022,848.67/141,849.35
  6. Step 6: Final answer
    x = 72,647.66

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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.