Home / 131,462.40-197,323.20-64,977.60

Finding the Fourth Proportional to 131,462.40, 197,323.20 and 64,977.60

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Solution

The fourth proportional to 131,462.40, 197,323.20 and 64,977.60 is: 97,530.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,462.40 : 197,323.20 = 64,977.60 : x
  2. Step 2: Convert to fraction form
    131,462.40/197,323.20 = 64,977.60/x
  3. Step 3: Cross multiply
    131,462.40x = 197,323.20 × 64,977.60
  4. Step 4: Simplify right side
    131,462.40x = 12,821,587,960.32
  5. Step 5: Solve for x
    x = 12,821,587,960.32/131,462.40
  6. Step 6: Final answer
    x = 97,530.46

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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.