Home / 146,979.36-220,465.80-47,135.52

Finding the Fourth Proportional to 146,979.36, 220,465.80 and 47,135.52

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Solution

The fourth proportional to 146,979.36, 220,465.80 and 47,135.52 is: 70,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,979.36 : 220,465.80 = 47,135.52 : x
  2. Step 2: Convert to fraction form
    146,979.36/220,465.80 = 47,135.52/x
  3. Step 3: Cross multiply
    146,979.36x = 220,465.80 × 47,135.52
  4. Step 4: Simplify right side
    146,979.36x = 10,391,770,125.22
  5. Step 5: Solve for x
    x = 10,391,770,125.22/146,979.36
  6. Step 6: Final answer
    x = 70,702.24

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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.