Home / 108,928.54-163,402.90-42,373.72

Finding the Fourth Proportional to 108,928.54, 163,402.90 and 42,373.72

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Solution

The fourth proportional to 108,928.54, 163,402.90 and 42,373.72 is: 63,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,928.54 : 163,402.90 = 42,373.72 : x
  2. Step 2: Convert to fraction form
    108,928.54/163,402.90 = 42,373.72/x
  3. Step 3: Cross multiply
    108,928.54x = 163,402.90 × 42,373.72
  4. Step 4: Simplify right side
    108,928.54x = 6,923,988,731.79
  5. Step 5: Solve for x
    x = 6,923,988,731.79/108,928.54
  6. Step 6: Final answer
    x = 63,564.51

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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.