Home / 122,847.36-169,528.81-69,133.27

Finding the Fourth Proportional to 122,847.36, 169,528.81 and 69,133.27

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Solution

The fourth proportional to 122,847.36, 169,528.81 and 69,133.27 is: 95,403.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,847.36 : 169,528.81 = 69,133.27 : x
  2. Step 2: Convert to fraction form
    122,847.36/169,528.81 = 69,133.27/x
  3. Step 3: Cross multiply
    122,847.36x = 169,528.81 × 69,133.27
  4. Step 4: Simplify right side
    122,847.36x = 11,720,080,397.85
  5. Step 5: Solve for x
    x = 11,720,080,397.85/122,847.36
  6. Step 6: Final answer
    x = 95,403.60

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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.