Home / 122,856.37-169,547.24-69,144.86

Finding the Fourth Proportional to 122,856.37, 169,547.24 and 69,144.86

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Solution

The fourth proportional to 122,856.37, 169,547.24 and 69,144.86 is: 95,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,856.37 : 169,547.24 = 69,144.86 : x
  2. Step 2: Convert to fraction form
    122,856.37/169,547.24 = 69,144.86/x
  3. Step 3: Cross multiply
    122,856.37x = 169,547.24 × 69,144.86
  4. Step 4: Simplify right side
    122,856.37x = 11,723,320,769.92
  5. Step 5: Solve for x
    x = 11,723,320,769.92/122,856.37
  6. Step 6: Final answer
    x = 95,422.98

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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.