Home / 122,994.42-169,674.30-71,975.58

Finding the Fourth Proportional to 122,994.42, 169,674.30 and 71,975.58

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Solution

The fourth proportional to 122,994.42, 169,674.30 and 71,975.58 is: 99,292.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,994.42 : 169,674.30 = 71,975.58 : x
  2. Step 2: Convert to fraction form
    122,994.42/169,674.30 = 71,975.58/x
  3. Step 3: Cross multiply
    122,994.42x = 169,674.30 × 71,975.58
  4. Step 4: Simplify right side
    122,994.42x = 12,212,406,153.59
  5. Step 5: Solve for x
    x = 12,212,406,153.59/122,994.42
  6. Step 6: Final answer
    x = 99,292.36

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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.