Home / 155,563.58-214,613.88-115,376.24

Finding the Fourth Proportional to 155,563.58, 214,613.88 and 115,376.24

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Solution

The fourth proportional to 155,563.58, 214,613.88 and 115,376.24 is: 159,171.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,563.58 : 214,613.88 = 115,376.24 : x
  2. Step 2: Convert to fraction form
    155,563.58/214,613.88 = 115,376.24/x
  3. Step 3: Cross multiply
    155,563.58x = 214,613.88 × 115,376.24
  4. Step 4: Simplify right side
    155,563.58x = 24,761,342,526.21
  5. Step 5: Solve for x
    x = 24,761,342,526.21/155,563.58
  6. Step 6: Final answer
    x = 159,171.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.