Home / 146,117.80-219,111.90-67,256.20

Finding the Fourth Proportional to 146,117.80, 219,111.90 and 67,256.20

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Solution

The fourth proportional to 146,117.80, 219,111.90 and 67,256.20 is: 100,854.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,117.80 : 219,111.90 = 67,256.20 : x
  2. Step 2: Convert to fraction form
    146,117.80/219,111.90 = 67,256.20/x
  3. Step 3: Cross multiply
    146,117.80x = 219,111.90 × 67,256.20
  4. Step 4: Simplify right side
    146,117.80x = 14,736,633,768.78
  5. Step 5: Solve for x
    x = 14,736,633,768.78/146,117.80
  6. Step 6: Final answer
    x = 100,854.47

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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.