Home / 122,753.12-169,401.14-74,996.34

Finding the Fourth Proportional to 122,753.12, 169,401.14 and 74,996.34

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Solution

The fourth proportional to 122,753.12, 169,401.14 and 74,996.34 is: 103,496.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,753.12 : 169,401.14 = 74,996.34 : x
  2. Step 2: Convert to fraction form
    122,753.12/169,401.14 = 74,996.34/x
  3. Step 3: Cross multiply
    122,753.12x = 169,401.14 × 74,996.34
  4. Step 4: Simplify right side
    122,753.12x = 12,704,465,491.83
  5. Step 5: Solve for x
    x = 12,704,465,491.83/122,753.12
  6. Step 6: Final answer
    x = 103,496.07

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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.