Home / 109,412.39-150,989.12-59,111.39

Finding the Fourth Proportional to 109,412.39, 150,989.12 and 59,111.39

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Solution

The fourth proportional to 109,412.39, 150,989.12 and 59,111.39 is: 81,573.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,412.39 : 150,989.12 = 59,111.39 : x
  2. Step 2: Convert to fraction form
    109,412.39/150,989.12 = 59,111.39/x
  3. Step 3: Cross multiply
    109,412.39x = 150,989.12 × 59,111.39
  4. Step 4: Simplify right side
    109,412.39x = 8,925,176,758.08
  5. Step 5: Solve for x
    x = 8,925,176,758.08/109,412.39
  6. Step 6: Final answer
    x = 81,573.73

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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.