Home / 154,915.34-213,849.33-131,166.14

Finding the Fourth Proportional to 154,915.34, 213,849.33 and 131,166.14

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Solution

The fourth proportional to 154,915.34, 213,849.33 and 131,166.14 is: 181,065.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,915.34 : 213,849.33 = 131,166.14 : x
  2. Step 2: Convert to fraction form
    154,915.34/213,849.33 = 131,166.14/x
  3. Step 3: Cross multiply
    154,915.34x = 213,849.33 × 131,166.14
  4. Step 4: Simplify right side
    154,915.34x = 28,049,791,157.69
  5. Step 5: Solve for x
    x = 28,049,791,157.69/154,915.34
  6. Step 6: Final answer
    x = 181,065.29

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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.