Home / 122,472.18-168,999.93-68,744.88

Finding the Fourth Proportional to 122,472.18, 168,999.93 and 68,744.88

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Solution

The fourth proportional to 122,472.18, 168,999.93 and 68,744.88 is: 94,861.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472.18 : 168,999.93 = 68,744.88 : x
  2. Step 2: Convert to fraction form
    122,472.18/168,999.93 = 68,744.88/x
  3. Step 3: Cross multiply
    122,472.18x = 168,999.93 × 68,744.88
  4. Step 4: Simplify right side
    122,472.18x = 11,617,879,907.86
  5. Step 5: Solve for x
    x = 11,617,879,907.86/122,472.18
  6. Step 6: Final answer
    x = 94,861.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.