Home / 154,493.42-213,090.77-141,787.55

Finding the Fourth Proportional to 154,493.42, 213,090.77 and 141,787.55

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Solution

The fourth proportional to 154,493.42, 213,090.77 and 141,787.55 is: 195,565.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,493.42 : 213,090.77 = 141,787.55 : x
  2. Step 2: Convert to fraction form
    154,493.42/213,090.77 = 141,787.55/x
  3. Step 3: Cross multiply
    154,493.42x = 213,090.77 × 141,787.55
  4. Step 4: Simplify right side
    154,493.42x = 30,213,619,093.11
  5. Step 5: Solve for x
    x = 30,213,619,093.11/154,493.42
  6. Step 6: Final answer
    x = 195,565.74

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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.