Home / 121,961.81-182,941.67-95,330.21

Finding the Fourth Proportional to 121,961.81, 182,941.67 and 95,330.21

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Solution

The fourth proportional to 121,961.81, 182,941.67 and 95,330.21 is: 142,994.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,961.81 : 182,941.67 = 95,330.21 : x
  2. Step 2: Convert to fraction form
    121,961.81/182,941.67 = 95,330.21/x
  3. Step 3: Cross multiply
    121,961.81x = 182,941.67 × 95,330.21
  4. Step 4: Simplify right side
    121,961.81x = 17,439,867,142.47
  5. Step 5: Solve for x
    x = 17,439,867,142.47/121,961.81
  6. Step 6: Final answer
    x = 142,994.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.