Home / 108,958.55-163,405.43-42,360.35

Finding the Fourth Proportional to 108,958.55, 163,405.43 and 42,360.35

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Solution

The fourth proportional to 108,958.55, 163,405.43 and 42,360.35 is: 63,527.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,958.55 : 163,405.43 = 42,360.35 : x
  2. Step 2: Convert to fraction form
    108,958.55/163,405.43 = 42,360.35/x
  3. Step 3: Cross multiply
    108,958.55x = 163,405.43 × 42,360.35
  4. Step 4: Simplify right side
    108,958.55x = 6,921,910,994.90
  5. Step 5: Solve for x
    x = 6,921,910,994.90/108,958.55
  6. Step 6: Final answer
    x = 63,527.93

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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.