Home / 122,244.57-168,699.06-74,502.36

Finding the Fourth Proportional to 122,244.57, 168,699.06 and 74,502.36

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Solution

The fourth proportional to 122,244.57, 168,699.06 and 74,502.36 is: 102,814.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,244.57 : 168,699.06 = 74,502.36 : x
  2. Step 2: Convert to fraction form
    122,244.57/168,699.06 = 74,502.36/x
  3. Step 3: Cross multiply
    122,244.57x = 168,699.06 × 74,502.36
  4. Step 4: Simplify right side
    122,244.57x = 12,568,478,099.78
  5. Step 5: Solve for x
    x = 12,568,478,099.78/122,244.57
  6. Step 6: Final answer
    x = 102,814.20

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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.