Home / 112,087.53-154,678.67-61,100.73

Finding the Fourth Proportional to 112,087.53, 154,678.67 and 61,100.73

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Solution

The fourth proportional to 112,087.53, 154,678.67 and 61,100.73 is: 84,317.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,087.53 : 154,678.67 = 61,100.73 : x
  2. Step 2: Convert to fraction form
    112,087.53/154,678.67 = 61,100.73/x
  3. Step 3: Cross multiply
    112,087.53x = 154,678.67 × 61,100.73
  4. Step 4: Simplify right side
    112,087.53x = 9,450,979,031.79
  5. Step 5: Solve for x
    x = 9,450,979,031.79/112,087.53
  6. Step 6: Final answer
    x = 84,317.85

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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.