Home / 122,817.63-169,508.79-71,127.27

Finding the Fourth Proportional to 122,817.63, 169,508.79 and 71,127.27

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Solution

The fourth proportional to 122,817.63, 169,508.79 and 71,127.27 is: 98,167.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,817.63 : 169,508.79 = 71,127.27 : x
  2. Step 2: Convert to fraction form
    122,817.63/169,508.79 = 71,127.27/x
  3. Step 3: Cross multiply
    122,817.63x = 169,508.79 × 71,127.27
  4. Step 4: Simplify right side
    122,817.63x = 12,056,697,473.70
  5. Step 5: Solve for x
    x = 12,056,697,473.70/122,817.63
  6. Step 6: Final answer
    x = 98,167.48

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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.