Home / 112,619.16-168,811.05-37,677.66

Finding the Fourth Proportional to 112,619.16, 168,811.05 and 37,677.66

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Solution

The fourth proportional to 112,619.16, 168,811.05 and 37,677.66 is: 56,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,619.16 : 168,811.05 = 37,677.66 : x
  2. Step 2: Convert to fraction form
    112,619.16/168,811.05 = 37,677.66/x
  3. Step 3: Cross multiply
    112,619.16x = 168,811.05 × 37,677.66
  4. Step 4: Simplify right side
    112,619.16x = 6,360,404,854.39
  5. Step 5: Solve for x
    x = 6,360,404,854.39/112,619.16
  6. Step 6: Final answer
    x = 56,477.11

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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.