Home / 122,824.76-169,501.47-69,111.68

Finding the Fourth Proportional to 122,824.76, 169,501.47 and 69,111.68

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Solution

The fourth proportional to 122,824.76, 169,501.47 and 69,111.68 is: 95,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,824.76 : 169,501.47 = 69,111.68 : x
  2. Step 2: Convert to fraction form
    122,824.76/169,501.47 = 69,111.68/x
  3. Step 3: Cross multiply
    122,824.76x = 169,501.47 × 69,111.68
  4. Step 4: Simplify right side
    122,824.76x = 11,714,531,354.17
  5. Step 5: Solve for x
    x = 11,714,531,354.17/122,824.76
  6. Step 6: Final answer
    x = 95,375.98

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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.