Home / 122,937.22-169,639.32-69,220.86

Finding the Fourth Proportional to 122,937.22, 169,639.32 and 69,220.86

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Solution

The fourth proportional to 122,937.22, 169,639.32 and 69,220.86 is: 95,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,937.22 : 169,639.32 = 69,220.86 : x
  2. Step 2: Convert to fraction form
    122,937.22/169,639.32 = 69,220.86/x
  3. Step 3: Cross multiply
    122,937.22x = 169,639.32 × 69,220.86
  4. Step 4: Simplify right side
    122,937.22x = 11,742,579,620.22
  5. Step 5: Solve for x
    x = 11,742,579,620.22/122,937.22
  6. Step 6: Final answer
    x = 95,516.88

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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.