Home / 112,634.40-168,989.16-37,762

Finding the Fourth Proportional to 112,634.40, 168,989.16 and 37,762

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Solution

The fourth proportional to 112,634.40, 168,989.16 and 37,762 is: 56,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,634.40 : 168,989.16 = 37,762 : x
  2. Step 2: Convert to fraction form
    112,634.40/168,989.16 = 37,762/x
  3. Step 3: Cross multiply
    112,634.40x = 168,989.16 × 37,762
  4. Step 4: Simplify right side
    112,634.40x = 6,381,368,659.92
  5. Step 5: Solve for x
    x = 6,381,368,659.92/112,634.40
  6. Step 6: Final answer
    x = 56,655.59

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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.