Home / 97,508.40-146,320.20-71,146.80

Finding the Fourth Proportional to 97,508.40, 146,320.20 and 71,146.80

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Solution

The fourth proportional to 97,508.40, 146,320.20 and 71,146.80 is: 106,762.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,508.40 : 146,320.20 = 71,146.80 : x
  2. Step 2: Convert to fraction form
    97,508.40/146,320.20 = 71,146.80/x
  3. Step 3: Cross multiply
    97,508.40x = 146,320.20 × 71,146.80
  4. Step 4: Simplify right side
    97,508.40x = 10,410,214,005.36
  5. Step 5: Solve for x
    x = 10,410,214,005.36/97,508.40
  6. Step 6: Final answer
    x = 106,762.23

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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.