Home / 115,097.32-172,455.88-52,630.12

Finding the Fourth Proportional to 115,097.32, 172,455.88 and 52,630.12

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Solution

The fourth proportional to 115,097.32, 172,455.88 and 52,630.12 is: 78,858.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,097.32 : 172,455.88 = 52,630.12 : x
  2. Step 2: Convert to fraction form
    115,097.32/172,455.88 = 52,630.12/x
  3. Step 3: Cross multiply
    115,097.32x = 172,455.88 × 52,630.12
  4. Step 4: Simplify right side
    115,097.32x = 9,076,373,659.11
  5. Step 5: Solve for x
    x = 9,076,373,659.11/115,097.32
  6. Step 6: Final answer
    x = 78,858.25

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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.