Home / 112,268.70-154,930.71-61,967.58

Finding the Fourth Proportional to 112,268.70, 154,930.71 and 61,967.58

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Solution

The fourth proportional to 112,268.70, 154,930.71 and 61,967.58 is: 85,515.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,268.70 : 154,930.71 = 61,967.58 : x
  2. Step 2: Convert to fraction form
    112,268.70/154,930.71 = 61,967.58/x
  3. Step 3: Cross multiply
    112,268.70x = 154,930.71 × 61,967.58
  4. Step 4: Simplify right side
    112,268.70x = 9,600,681,166.38
  5. Step 5: Solve for x
    x = 9,600,681,166.38/112,268.70
  6. Step 6: Final answer
    x = 85,515.21

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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.