Home / 103,538.04-155,339.69-36,976.70

Finding the Fourth Proportional to 103,538.04, 155,339.69 and 36,976.70

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Solution

The fourth proportional to 103,538.04, 155,339.69 and 36,976.70 is: 55,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538.04 : 155,339.69 = 36,976.70 : x
  2. Step 2: Convert to fraction form
    103,538.04/155,339.69 = 36,976.70/x
  3. Step 3: Cross multiply
    103,538.04x = 155,339.69 × 36,976.70
  4. Step 4: Simplify right side
    103,538.04x = 5,743,948,153.64
  5. Step 5: Solve for x
    x = 5,743,948,153.64/103,538.04
  6. Step 6: Final answer
    x = 55,476.69

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1.5x scale

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.