Home / 122,003.10-168,252.03-103,074.62

Finding the Fourth Proportional to 122,003.10, 168,252.03 and 103,074.62

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Solution

The fourth proportional to 122,003.10, 168,252.03 and 103,074.62 is: 142,148.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,003.10 : 168,252.03 = 103,074.62 : x
  2. Step 2: Convert to fraction form
    122,003.10/168,252.03 = 103,074.62/x
  3. Step 3: Cross multiply
    122,003.10x = 168,252.03 × 103,074.62
  4. Step 4: Simplify right side
    122,003.10x = 17,342,513,215.22
  5. Step 5: Solve for x
    x = 17,342,513,215.22/122,003.10
  6. Step 6: Final answer
    x = 142,148.14

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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.