Home / 112,282.25-154,942.92-61,284.87

Finding the Fourth Proportional to 112,282.25, 154,942.92 and 61,284.87

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Solution

The fourth proportional to 112,282.25, 154,942.92 and 61,284.87 is: 84,569.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.25 : 154,942.92 = 61,284.87 : x
  2. Step 2: Convert to fraction form
    112,282.25/154,942.92 = 61,284.87/x
  3. Step 3: Cross multiply
    112,282.25x = 154,942.92 × 61,284.87
  4. Step 4: Simplify right side
    112,282.25x = 9,495,656,709.62
  5. Step 5: Solve for x
    x = 9,495,656,709.62/112,282.25
  6. Step 6: Final answer
    x = 84,569.53

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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.