Home / 162,264.48-223,908.88-90,642.96

Finding the Fourth Proportional to 162,264.48, 223,908.88 and 90,642.96

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Solution

The fourth proportional to 162,264.48, 223,908.88 and 90,642.96 is: 125,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,264.48 : 223,908.88 = 90,642.96 : x
  2. Step 2: Convert to fraction form
    162,264.48/223,908.88 = 90,642.96/x
  3. Step 3: Cross multiply
    162,264.48x = 223,908.88 × 90,642.96
  4. Step 4: Simplify right side
    162,264.48x = 20,295,763,653.48
  5. Step 5: Solve for x
    x = 20,295,763,653.48/162,264.48
  6. Step 6: Final answer
    x = 125,078.29

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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.