Home / 141,979.22-212,888.94-47,158.64

Finding the Fourth Proportional to 141,979.22, 212,888.94 and 47,158.64

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Solution

The fourth proportional to 141,979.22, 212,888.94 and 47,158.64 is: 70,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,979.22 : 212,888.94 = 47,158.64 : x
  2. Step 2: Convert to fraction form
    141,979.22/212,888.94 = 47,158.64/x
  3. Step 3: Cross multiply
    141,979.22x = 212,888.94 × 47,158.64
  4. Step 4: Simplify right side
    141,979.22x = 10,039,552,881.44
  5. Step 5: Solve for x
    x = 10,039,552,881.44/141,979.22
  6. Step 6: Final answer
    x = 70,711.42

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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.