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Finding the Fourth Proportional to 97,812.54, 146,659.77 and 53,377.56

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Solution

The fourth proportional to 97,812.54, 146,659.77 and 53,377.56 is: 80,034.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,812.54 : 146,659.77 = 53,377.56 : x
  2. Step 2: Convert to fraction form
    97,812.54/146,659.77 = 53,377.56/x
  3. Step 3: Cross multiply
    97,812.54x = 146,659.77 × 53,377.56
  4. Step 4: Simplify right side
    97,812.54x = 7,828,340,672.76
  5. Step 5: Solve for x
    x = 7,828,340,672.76/97,812.54
  6. Step 6: Final answer
    x = 80,034.12

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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.