Home / 125,457.48-188,137.13-45,476.46

Finding the Fourth Proportional to 125,457.48, 188,137.13 and 45,476.46

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Solution

The fourth proportional to 125,457.48, 188,137.13 and 45,476.46 is: 68,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,457.48 : 188,137.13 = 45,476.46 : x
  2. Step 2: Convert to fraction form
    125,457.48/188,137.13 = 45,476.46/x
  3. Step 3: Cross multiply
    125,457.48x = 188,137.13 × 45,476.46
  4. Step 4: Simplify right side
    125,457.48x = 8,555,810,439.58
  5. Step 5: Solve for x
    x = 8,555,810,439.58/125,457.48
  6. Step 6: Final answer
    x = 68,196.89

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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.