Home / 103,671.15-155,507.60-28,797.13

Finding the Fourth Proportional to 103,671.15, 155,507.60 and 28,797.13

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Solution

The fourth proportional to 103,671.15, 155,507.60 and 28,797.13 is: 43,195.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,671.15 : 155,507.60 = 28,797.13 : x
  2. Step 2: Convert to fraction form
    103,671.15/155,507.60 = 28,797.13/x
  3. Step 3: Cross multiply
    103,671.15x = 155,507.60 × 28,797.13
  4. Step 4: Simplify right side
    103,671.15x = 4,478,172,573.19
  5. Step 5: Solve for x
    x = 4,478,172,573.19/103,671.15
  6. Step 6: Final answer
    x = 43,195.94

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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.