Home / 125,164.90-187,789.27-40,928.95

Finding the Fourth Proportional to 125,164.90, 187,789.27 and 40,928.95

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Solution

The fourth proportional to 125,164.90, 187,789.27 and 40,928.95 is: 61,407.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,164.90 : 187,789.27 = 40,928.95 : x
  2. Step 2: Convert to fraction form
    125,164.90/187,789.27 = 40,928.95/x
  3. Step 3: Cross multiply
    125,164.90x = 187,789.27 × 40,928.95
  4. Step 4: Simplify right side
    125,164.90x = 7,686,017,642.37
  5. Step 5: Solve for x
    x = 7,686,017,642.37/125,164.90
  6. Step 6: Final answer
    x = 61,407.13

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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.