Home / 125,455.74-188,083.22-65,454.09

Finding the Fourth Proportional to 125,455.74, 188,083.22 and 65,454.09

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Solution

The fourth proportional to 125,455.74, 188,083.22 and 65,454.09 is: 98,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,455.74 : 188,083.22 = 65,454.09 : x
  2. Step 2: Convert to fraction form
    125,455.74/188,083.22 = 65,454.09/x
  3. Step 3: Cross multiply
    125,455.74x = 188,083.22 × 65,454.09
  4. Step 4: Simplify right side
    125,455.74x = 12,310,816,034.76
  5. Step 5: Solve for x
    x = 12,310,816,034.76/125,455.74
  6. Step 6: Final answer
    x = 98,128.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.