Home / 146,594.72-219,895.86-39,979.55

Finding the Fourth Proportional to 146,594.72, 219,895.86 and 39,979.55

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Solution

The fourth proportional to 146,594.72, 219,895.86 and 39,979.55 is: 59,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,594.72 : 219,895.86 = 39,979.55 : x
  2. Step 2: Convert to fraction form
    146,594.72/219,895.86 = 39,979.55/x
  3. Step 3: Cross multiply
    146,594.72x = 219,895.86 × 39,979.55
  4. Step 4: Simplify right side
    146,594.72x = 8,791,337,529.66
  5. Step 5: Solve for x
    x = 8,791,337,529.66/146,594.72
  6. Step 6: Final answer
    x = 59,970.36

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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.