Home / 162,068.45-223,653.96-90,447.84

Finding the Fourth Proportional to 162,068.45, 223,653.96 and 90,447.84

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Solution

The fourth proportional to 162,068.45, 223,653.96 and 90,447.84 is: 124,817.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,068.45 : 223,653.96 = 90,447.84 : x
  2. Step 2: Convert to fraction form
    162,068.45/223,653.96 = 90,447.84/x
  3. Step 3: Cross multiply
    162,068.45x = 223,653.96 × 90,447.84
  4. Step 4: Simplify right side
    162,068.45x = 20,229,017,589.45
  5. Step 5: Solve for x
    x = 20,229,017,589.45/162,068.45
  6. Step 6: Final answer
    x = 124,817.74

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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.