Home / 126,140.55-189,211.59-37,394.88

Finding the Fourth Proportional to 126,140.55, 189,211.59 and 37,394.88

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Solution

The fourth proportional to 126,140.55, 189,211.59 and 37,394.88 is: 56,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,140.55 : 189,211.59 = 37,394.88 : x
  2. Step 2: Convert to fraction form
    126,140.55/189,211.59 = 37,394.88/x
  3. Step 3: Cross multiply
    126,140.55x = 189,211.59 × 37,394.88
  4. Step 4: Simplify right side
    126,140.55x = 7,075,544,702.66
  5. Step 5: Solve for x
    x = 7,075,544,702.66/126,140.55
  6. Step 6: Final answer
    x = 56,092.55

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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.