Home / 141,869.88-212,853.42-48,441.24

Finding the Fourth Proportional to 141,869.88, 212,853.42 and 48,441.24

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Solution

The fourth proportional to 141,869.88, 212,853.42 and 48,441.24 is: 72,678.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,869.88 : 212,853.42 = 48,441.24 : x
  2. Step 2: Convert to fraction form
    141,869.88/212,853.42 = 48,441.24/x
  3. Step 3: Cross multiply
    141,869.88x = 212,853.42 × 48,441.24
  4. Step 4: Simplify right side
    141,869.88x = 10,310,883,603.04
  5. Step 5: Solve for x
    x = 10,310,883,603.04/141,869.88
  6. Step 6: Final answer
    x = 72,678.45

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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.