Home / 122,715.64-169,345.36-68,267.56

Finding the Fourth Proportional to 122,715.64, 169,345.36 and 68,267.56

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Solution

The fourth proportional to 122,715.64, 169,345.36 and 68,267.56 is: 94,208.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,715.64 : 169,345.36 = 68,267.56 : x
  2. Step 2: Convert to fraction form
    122,715.64/169,345.36 = 68,267.56/x
  3. Step 3: Cross multiply
    122,715.64x = 169,345.36 × 68,267.56
  4. Step 4: Simplify right side
    122,715.64x = 11,560,794,524.52
  5. Step 5: Solve for x
    x = 11,560,794,524.52/122,715.64
  6. Step 6: Final answer
    x = 94,208.00

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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.