Home / 131,581.83-197,405.63-38,087.58

Finding the Fourth Proportional to 131,581.83, 197,405.63 and 38,087.58

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Solution

The fourth proportional to 131,581.83, 197,405.63 and 38,087.58 is: 57,140.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,581.83 : 197,405.63 = 38,087.58 : x
  2. Step 2: Convert to fraction form
    131,581.83/197,405.63 = 38,087.58/x
  3. Step 3: Cross multiply
    131,581.83x = 197,405.63 × 38,087.58
  4. Step 4: Simplify right side
    131,581.83x = 7,518,703,417.74
  5. Step 5: Solve for x
    x = 7,518,703,417.74/131,581.83
  6. Step 6: Final answer
    x = 57,140.89

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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.