Home / 122,720.68-169,351.15-69,004.32

Finding the Fourth Proportional to 122,720.68, 169,351.15 and 69,004.32

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Solution

The fourth proportional to 122,720.68, 169,351.15 and 69,004.32 is: 95,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,720.68 : 169,351.15 = 69,004.32 : x
  2. Step 2: Convert to fraction form
    122,720.68/169,351.15 = 69,004.32/x
  3. Step 3: Cross multiply
    122,720.68x = 169,351.15 × 69,004.32
  4. Step 4: Simplify right side
    122,720.68x = 11,685,960,946.97
  5. Step 5: Solve for x
    x = 11,685,960,946.97/122,720.68
  6. Step 6: Final answer
    x = 95,224.06

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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.