Home / 121,380.56-182,070.85-38,274.56

Finding the Fourth Proportional to 121,380.56, 182,070.85 and 38,274.56

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Solution

The fourth proportional to 121,380.56, 182,070.85 and 38,274.56 is: 57,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,380.56 : 182,070.85 = 38,274.56 : x
  2. Step 2: Convert to fraction form
    121,380.56/182,070.85 = 38,274.56/x
  3. Step 3: Cross multiply
    121,380.56x = 182,070.85 × 38,274.56
  4. Step 4: Simplify right side
    121,380.56x = 6,968,682,032.07
  5. Step 5: Solve for x
    x = 6,968,682,032.07/121,380.56
  6. Step 6: Final answer
    x = 57,411.84

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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.