Home / 122,246.07-168,701.13-74,503.86

Finding the Fourth Proportional to 122,246.07, 168,701.13 and 74,503.86

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Solution

The fourth proportional to 122,246.07, 168,701.13 and 74,503.86 is: 102,816.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,246.07 : 168,701.13 = 74,503.86 : x
  2. Step 2: Convert to fraction form
    122,246.07/168,701.13 = 74,503.86/x
  3. Step 3: Cross multiply
    122,246.07x = 168,701.13 × 74,503.86
  4. Step 4: Simplify right side
    122,246.07x = 12,568,885,371.36
  5. Step 5: Solve for x
    x = 12,568,885,371.36/122,246.07
  6. Step 6: Final answer
    x = 102,816.27

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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.