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Finding the Fourth Proportional to 110,425.30, 165,637.95 and 97,740.70

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Solution

The fourth proportional to 110,425.30, 165,637.95 and 97,740.70 is: 146,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,425.30 : 165,637.95 = 97,740.70 : x
  2. Step 2: Convert to fraction form
    110,425.30/165,637.95 = 97,740.70/x
  3. Step 3: Cross multiply
    110,425.30x = 165,637.95 × 97,740.70
  4. Step 4: Simplify right side
    110,425.30x = 16,189,569,179.57
  5. Step 5: Solve for x
    x = 16,189,569,179.57/110,425.30
  6. Step 6: Final answer
    x = 146,611.05

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1.5x scale

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.