Home / 123,624.81-185,451.69-39,355.45

Finding the Fourth Proportional to 123,624.81, 185,451.69 and 39,355.45

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Solution

The fourth proportional to 123,624.81, 185,451.69 and 39,355.45 is: 59,037.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,624.81 : 185,451.69 = 39,355.45 : x
  2. Step 2: Convert to fraction form
    123,624.81/185,451.69 = 39,355.45/x
  3. Step 3: Cross multiply
    123,624.81x = 185,451.69 × 39,355.45
  4. Step 4: Simplify right side
    123,624.81x = 7,298,534,713.21
  5. Step 5: Solve for x
    x = 7,298,534,713.21/123,624.81
  6. Step 6: Final answer
    x = 59,037.78

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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.