Home / 131,424.96-197,168.58-42,678.48

Finding the Fourth Proportional to 131,424.96, 197,168.58 and 42,678.48

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Solution

The fourth proportional to 131,424.96, 197,168.58 and 42,678.48 is: 64,027.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,424.96 : 197,168.58 = 42,678.48 : x
  2. Step 2: Convert to fraction form
    131,424.96/197,168.58 = 42,678.48/x
  3. Step 3: Cross multiply
    131,424.96x = 197,168.58 × 42,678.48
  4. Step 4: Simplify right side
    131,424.96x = 8,414,855,298.16
  5. Step 5: Solve for x
    x = 8,414,855,298.16/131,424.96
  6. Step 6: Final answer
    x = 64,027.83

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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.