Home / 163,786.18-245,679.19-45,457.48

Finding the Fourth Proportional to 163,786.18, 245,679.19 and 45,457.48

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Solution

The fourth proportional to 163,786.18, 245,679.19 and 45,457.48 is: 68,186.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,786.18 : 245,679.19 = 45,457.48 : x
  2. Step 2: Convert to fraction form
    163,786.18/245,679.19 = 45,457.48/x
  3. Step 3: Cross multiply
    163,786.18x = 245,679.19 × 45,457.48
  4. Step 4: Simplify right side
    163,786.18x = 11,167,957,229.76
  5. Step 5: Solve for x
    x = 11,167,957,229.76/163,786.18
  6. Step 6: Final answer
    x = 68,186.20

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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.