Home / 145,554.26-218,257.54-66,600.83

Finding the Fourth Proportional to 145,554.26, 218,257.54 and 66,600.83

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Solution

The fourth proportional to 145,554.26, 218,257.54 and 66,600.83 is: 99,867.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,554.26 : 218,257.54 = 66,600.83 : x
  2. Step 2: Convert to fraction form
    145,554.26/218,257.54 = 66,600.83/x
  3. Step 3: Cross multiply
    145,554.26x = 218,257.54 × 66,600.83
  4. Step 4: Simplify right side
    145,554.26x = 14,536,133,696.90
  5. Step 5: Solve for x
    x = 14,536,133,696.90/145,554.26
  6. Step 6: Final answer
    x = 99,867.46

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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.