Home / 122,515.86-169,071.90-68,800.92

Finding the Fourth Proportional to 122,515.86, 169,071.90 and 68,800.92

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Solution

The fourth proportional to 122,515.86, 169,071.90 and 68,800.92 is: 94,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,515.86 : 169,071.90 = 68,800.92 : x
  2. Step 2: Convert to fraction form
    122,515.86/169,071.90 = 68,800.92/x
  3. Step 3: Cross multiply
    122,515.86x = 169,071.90 × 68,800.92
  4. Step 4: Simplify right side
    122,515.86x = 11,632,302,266.15
  5. Step 5: Solve for x
    x = 11,632,302,266.15/122,515.86
  6. Step 6: Final answer
    x = 94,945.28

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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.