Home / 146,520.15-219,806.54-51,805.32

Finding the Fourth Proportional to 146,520.15, 219,806.54 and 51,805.32

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Solution

The fourth proportional to 146,520.15, 219,806.54 and 51,805.32 is: 77,717.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,520.15 : 219,806.54 = 51,805.32 : x
  2. Step 2: Convert to fraction form
    146,520.15/219,806.54 = 51,805.32/x
  3. Step 3: Cross multiply
    146,520.15x = 219,806.54 × 51,805.32
  4. Step 4: Simplify right side
    146,520.15x = 11,387,148,142.79
  5. Step 5: Solve for x
    x = 11,387,148,142.79/146,520.15
  6. Step 6: Final answer
    x = 77,717.28

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1.5x scale

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.