Home / 122,172.24-168,594.84-71,874.48

Finding the Fourth Proportional to 122,172.24, 168,594.84 and 71,874.48

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Solution

The fourth proportional to 122,172.24, 168,594.84 and 71,874.48 is: 99,185.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,172.24 : 168,594.84 = 71,874.48 : x
  2. Step 2: Convert to fraction form
    122,172.24/168,594.84 = 71,874.48/x
  3. Step 3: Cross multiply
    122,172.24x = 168,594.84 × 71,874.48
  4. Step 4: Simplify right side
    122,172.24x = 12,117,666,455.68
  5. Step 5: Solve for x
    x = 12,117,666,455.68/122,172.24
  6. Step 6: Final answer
    x = 99,185.11

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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.