Home / 154,759.53-213,477.44-97,307.79

Finding the Fourth Proportional to 154,759.53, 213,477.44 and 97,307.79

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Solution

The fourth proportional to 154,759.53, 213,477.44 and 97,307.79 is: 134,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,759.53 : 213,477.44 = 97,307.79 : x
  2. Step 2: Convert to fraction form
    154,759.53/213,477.44 = 97,307.79/x
  3. Step 3: Cross multiply
    154,759.53x = 213,477.44 × 97,307.79
  4. Step 4: Simplify right side
    154,759.53x = 20,773,017,414.72
  5. Step 5: Solve for x
    x = 20,773,017,414.72/154,759.53
  6. Step 6: Final answer
    x = 134,227.71

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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.