Home / 112,225.62-168,239.85-45,721.68

Finding the Fourth Proportional to 112,225.62, 168,239.85 and 45,721.68

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Solution

The fourth proportional to 112,225.62, 168,239.85 and 45,721.68 is: 68,542.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,225.62 : 168,239.85 = 45,721.68 : x
  2. Step 2: Convert to fraction form
    112,225.62/168,239.85 = 45,721.68/x
  3. Step 3: Cross multiply
    112,225.62x = 168,239.85 × 45,721.68
  4. Step 4: Simplify right side
    112,225.62x = 7,692,208,584.95
  5. Step 5: Solve for x
    x = 7,692,208,584.95/112,225.62
  6. Step 6: Final answer
    x = 68,542.36

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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.