Home / 131,800.68-197,730.06-38,313.72

Finding the Fourth Proportional to 131,800.68, 197,730.06 and 38,313.72

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Solution

The fourth proportional to 131,800.68, 197,730.06 and 38,313.72 is: 57,479.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,800.68 : 197,730.06 = 38,313.72 : x
  2. Step 2: Convert to fraction form
    131,800.68/197,730.06 = 38,313.72/x
  3. Step 3: Cross multiply
    131,800.68x = 197,730.06 × 38,313.72
  4. Step 4: Simplify right side
    131,800.68x = 7,575,774,154.42
  5. Step 5: Solve for x
    x = 7,575,774,154.42/131,800.68
  6. Step 6: Final answer
    x = 57,479.02

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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.