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Finding the Fourth Proportional to 97,481.40, 146,222.10 and 42,077.40

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Solution

The fourth proportional to 97,481.40, 146,222.10 and 42,077.40 is: 63,116.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,481.40 : 146,222.10 = 42,077.40 : x
  2. Step 2: Convert to fraction form
    97,481.40/146,222.10 = 42,077.40/x
  3. Step 3: Cross multiply
    97,481.40x = 146,222.10 × 42,077.40
  4. Step 4: Simplify right side
    97,481.40x = 6,152,645,790.54
  5. Step 5: Solve for x
    x = 6,152,645,790.54/97,481.40
  6. Step 6: Final answer
    x = 63,116.10

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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.