Home / 124,154.72-186,119.12-45,250.96

Finding the Fourth Proportional to 124,154.72, 186,119.12 and 45,250.96

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Solution

The fourth proportional to 124,154.72, 186,119.12 and 45,250.96 is: 67,835.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,154.72 : 186,119.12 = 45,250.96 : x
  2. Step 2: Convert to fraction form
    124,154.72/186,119.12 = 45,250.96/x
  3. Step 3: Cross multiply
    124,154.72x = 186,119.12 × 45,250.96
  4. Step 4: Simplify right side
    124,154.72x = 8,422,068,854.36
  5. Step 5: Solve for x
    x = 8,422,068,854.36/124,154.72
  6. Step 6: Final answer
    x = 67,835.27

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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.