Home / 125,617.42-188,409.12-36,854.38

Finding the Fourth Proportional to 125,617.42, 188,409.12 and 36,854.38

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Solution

The fourth proportional to 125,617.42, 188,409.12 and 36,854.38 is: 55,276.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,617.42 : 188,409.12 = 36,854.38 : x
  2. Step 2: Convert to fraction form
    125,617.42/188,409.12 = 36,854.38/x
  3. Step 3: Cross multiply
    125,617.42x = 188,409.12 × 36,854.38
  4. Step 4: Simplify right side
    125,617.42x = 6,943,701,303.95
  5. Step 5: Solve for x
    x = 6,943,701,303.95/125,617.42
  6. Step 6: Final answer
    x = 55,276.58

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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.