Home / 75,137.01-112,726.59-30,189.93

Finding the Fourth Proportional to 75,137.01, 112,726.59 and 30,189.93

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Solution

The fourth proportional to 75,137.01, 112,726.59 and 30,189.93 is: 45,293.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,137.01 : 112,726.59 = 30,189.93 : x
  2. Step 2: Convert to fraction form
    75,137.01/112,726.59 = 30,189.93/x
  3. Step 3: Cross multiply
    75,137.01x = 112,726.59 × 30,189.93
  4. Step 4: Simplify right side
    75,137.01x = 3,403,207,861.24
  5. Step 5: Solve for x
    x = 3,403,207,861.24/75,137.01
  6. Step 6: Final answer
    x = 45,293.36

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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.