Home / 127,624.65-191,429.97-38,870.73

Finding the Fourth Proportional to 127,624.65, 191,429.97 and 38,870.73

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Solution

The fourth proportional to 127,624.65, 191,429.97 and 38,870.73 is: 58,303.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,624.65 : 191,429.97 = 38,870.73 : x
  2. Step 2: Convert to fraction form
    127,624.65/191,429.97 = 38,870.73/x
  3. Step 3: Cross multiply
    127,624.65x = 191,429.97 × 38,870.73
  4. Step 4: Simplify right side
    127,624.65x = 7,441,022,677.78
  5. Step 5: Solve for x
    x = 7,441,022,677.78/127,624.65
  6. Step 6: Final answer
    x = 58,303.96

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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.