Home / 110,892.49-153,031.48-63,145.85

Finding the Fourth Proportional to 110,892.49, 153,031.48 and 63,145.85

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Solution

The fourth proportional to 110,892.49, 153,031.48 and 63,145.85 is: 87,141.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,892.49 : 153,031.48 = 63,145.85 : x
  2. Step 2: Convert to fraction form
    110,892.49/153,031.48 = 63,145.85/x
  3. Step 3: Cross multiply
    110,892.49x = 153,031.48 × 63,145.85
  4. Step 4: Simplify right side
    110,892.49x = 9,663,303,249.54
  5. Step 5: Solve for x
    x = 9,663,303,249.54/110,892.49
  6. Step 6: Final answer
    x = 87,141.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.