Home / 146,101.85-219,135.75-39,480.74

Finding the Fourth Proportional to 146,101.85, 219,135.75 and 39,480.74

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Solution

The fourth proportional to 146,101.85, 219,135.75 and 39,480.74 is: 59,216.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,101.85 : 219,135.75 = 39,480.74 : x
  2. Step 2: Convert to fraction form
    146,101.85/219,135.75 = 39,480.74/x
  3. Step 3: Cross multiply
    146,101.85x = 219,135.75 × 39,480.74
  4. Step 4: Simplify right side
    146,101.85x = 8,651,641,148.48
  5. Step 5: Solve for x
    x = 8,651,641,148.48/146,101.85
  6. Step 6: Final answer
    x = 59,216.51

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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.