Home / 115,088.04-172,562.94-45,000.36

Finding the Fourth Proportional to 115,088.04, 172,562.94 and 45,000.36

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Solution

The fourth proportional to 115,088.04, 172,562.94 and 45,000.36 is: 67,473.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,088.04 : 172,562.94 = 45,000.36 : x
  2. Step 2: Convert to fraction form
    115,088.04/172,562.94 = 45,000.36/x
  3. Step 3: Cross multiply
    115,088.04x = 172,562.94 × 45,000.36
  4. Step 4: Simplify right side
    115,088.04x = 7,765,394,422.66
  5. Step 5: Solve for x
    x = 7,765,394,422.66/115,088.04
  6. Step 6: Final answer
    x = 67,473.51

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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.