Home / 124,212.72-186,322.14-45,326.94

Finding the Fourth Proportional to 124,212.72, 186,322.14 and 45,326.94

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Solution

The fourth proportional to 124,212.72, 186,322.14 and 45,326.94 is: 67,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,212.72 : 186,322.14 = 45,326.94 : x
  2. Step 2: Convert to fraction form
    124,212.72/186,322.14 = 45,326.94/x
  3. Step 3: Cross multiply
    124,212.72x = 186,322.14 × 45,326.94
  4. Step 4: Simplify right side
    124,212.72x = 8,445,412,460.45
  5. Step 5: Solve for x
    x = 8,445,412,460.45/124,212.72
  6. Step 6: Final answer
    x = 67,991.53

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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.