Home / 139,109.82-208,681.02-44,306.70

Finding the Fourth Proportional to 139,109.82, 208,681.02 and 44,306.70

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Solution

The fourth proportional to 139,109.82, 208,681.02 and 44,306.70 is: 66,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,109.82 : 208,681.02 = 44,306.70 : x
  2. Step 2: Convert to fraction form
    139,109.82/208,681.02 = 44,306.70/x
  3. Step 3: Cross multiply
    139,109.82x = 208,681.02 × 44,306.70
  4. Step 4: Simplify right side
    139,109.82x = 9,245,967,348.83
  5. Step 5: Solve for x
    x = 9,245,967,348.83/139,109.82
  6. Step 6: Final answer
    x = 66,465.24

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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.