Home / 112,295.40-154,930.46-74,073.93

Finding the Fourth Proportional to 112,295.40, 154,930.46 and 74,073.93

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Solution

The fourth proportional to 112,295.40, 154,930.46 and 74,073.93 is: 102,197.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,295.40 : 154,930.46 = 74,073.93 : x
  2. Step 2: Convert to fraction form
    112,295.40/154,930.46 = 74,073.93/x
  3. Step 3: Cross multiply
    112,295.40x = 154,930.46 × 74,073.93
  4. Step 4: Simplify right side
    112,295.40x = 11,476,307,678.54
  5. Step 5: Solve for x
    x = 11,476,307,678.54/112,295.40
  6. Step 6: Final answer
    x = 102,197.49

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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.