Home / 103,619.70-155,429.55-95,325.30

Finding the Fourth Proportional to 103,619.70, 155,429.55 and 95,325.30

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Solution

The fourth proportional to 103,619.70, 155,429.55 and 95,325.30 is: 142,987.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,619.70 : 155,429.55 = 95,325.30 : x
  2. Step 2: Convert to fraction form
    103,619.70/155,429.55 = 95,325.30/x
  3. Step 3: Cross multiply
    103,619.70x = 155,429.55 × 95,325.30
  4. Step 4: Simplify right side
    103,619.70x = 14,816,368,482.62
  5. Step 5: Solve for x
    x = 14,816,368,482.62/103,619.70
  6. Step 6: Final answer
    x = 142,987.95

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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.