Home / 137,237.41-189,377.08-76,796.83

Finding the Fourth Proportional to 137,237.41, 189,377.08 and 76,796.83

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Solution

The fourth proportional to 137,237.41, 189,377.08 and 76,796.83 is: 105,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,237.41 : 189,377.08 = 76,796.83 : x
  2. Step 2: Convert to fraction form
    137,237.41/189,377.08 = 76,796.83/x
  3. Step 3: Cross multiply
    137,237.41x = 189,377.08 × 76,796.83
  4. Step 4: Simplify right side
    137,237.41x = 14,543,559,418.66
  5. Step 5: Solve for x
    x = 14,543,559,418.66/137,237.41
  6. Step 6: Final answer
    x = 105,973.72

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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.