Home / 141,473.92-212,205.36-47,979.76

Finding the Fourth Proportional to 141,473.92, 212,205.36 and 47,979.76

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Solution

The fourth proportional to 141,473.92, 212,205.36 and 47,979.76 is: 71,967.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,473.92 : 212,205.36 = 47,979.76 : x
  2. Step 2: Convert to fraction form
    141,473.92/212,205.36 = 47,979.76/x
  3. Step 3: Cross multiply
    141,473.92x = 212,205.36 × 47,979.76
  4. Step 4: Simplify right side
    141,473.92x = 10,181,562,243.51
  5. Step 5: Solve for x
    x = 10,181,562,243.51/141,473.92
  6. Step 6: Final answer
    x = 71,967.77

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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.