Home / 112,801.23-169,151.25-67,230.45

Finding the Fourth Proportional to 112,801.23, 169,151.25 and 67,230.45

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Solution

The fourth proportional to 112,801.23, 169,151.25 and 67,230.45 is: 100,815.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,801.23 : 169,151.25 = 67,230.45 : x
  2. Step 2: Convert to fraction form
    112,801.23/169,151.25 = 67,230.45/x
  3. Step 3: Cross multiply
    112,801.23x = 169,151.25 × 67,230.45
  4. Step 4: Simplify right side
    112,801.23x = 11,372,114,907.68
  5. Step 5: Solve for x
    x = 11,372,114,907.68/112,801.23
  6. Step 6: Final answer
    x = 100,815.52

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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.