Home / 115,004.20-172,455.10-52,693.80

Finding the Fourth Proportional to 115,004.20, 172,455.10 and 52,693.80

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Solution

The fourth proportional to 115,004.20, 172,455.10 and 52,693.80 is: 79,017.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,004.20 : 172,455.10 = 52,693.80 : x
  2. Step 2: Convert to fraction form
    115,004.20/172,455.10 = 52,693.80/x
  3. Step 3: Cross multiply
    115,004.20x = 172,455.10 × 52,693.80
  4. Step 4: Simplify right side
    115,004.20x = 9,087,314,548.38
  5. Step 5: Solve for x
    x = 9,087,314,548.38/115,004.20
  6. Step 6: Final answer
    x = 79,017.24

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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.