Home / 162,078.66-243,127.08-43,759.35

Finding the Fourth Proportional to 162,078.66, 243,127.08 and 43,759.35

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Solution

The fourth proportional to 162,078.66, 243,127.08 and 43,759.35 is: 65,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,078.66 : 243,127.08 = 43,759.35 : x
  2. Step 2: Convert to fraction form
    162,078.66/243,127.08 = 43,759.35/x
  3. Step 3: Cross multiply
    162,078.66x = 243,127.08 × 43,759.35
  4. Step 4: Simplify right side
    162,078.66x = 10,639,082,988.20
  5. Step 5: Solve for x
    x = 10,639,082,988.20/162,078.66
  6. Step 6: Final answer
    x = 65,641.48

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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.