Home / 133,350.46-184,020.86-72,920.42

Finding the Fourth Proportional to 133,350.46, 184,020.86 and 72,920.42

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Solution

The fourth proportional to 133,350.46, 184,020.86 and 72,920.42 is: 100,628.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,350.46 : 184,020.86 = 72,920.42 : x
  2. Step 2: Convert to fraction form
    133,350.46/184,020.86 = 72,920.42/x
  3. Step 3: Cross multiply
    133,350.46x = 184,020.86 × 72,920.42
  4. Step 4: Simplify right side
    133,350.46x = 13,418,878,399.96
  5. Step 5: Solve for x
    x = 13,418,878,399.96/133,350.46
  6. Step 6: Final answer
    x = 100,628.66

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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.