Home / 139,110.91-208,681.40-44,318.73

Finding the Fourth Proportional to 139,110.91, 208,681.40 and 44,318.73

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Solution

The fourth proportional to 139,110.91, 208,681.40 and 44,318.73 is: 66,482.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,110.91 : 208,681.40 = 44,318.73 : x
  2. Step 2: Convert to fraction form
    139,110.91/208,681.40 = 44,318.73/x
  3. Step 3: Cross multiply
    139,110.91x = 208,681.40 × 44,318.73
  4. Step 4: Simplify right side
    139,110.91x = 9,248,494,622.62
  5. Step 5: Solve for x
    x = 9,248,494,622.62/139,110.91
  6. Step 6: Final answer
    x = 66,482.88

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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.