Home / 117,564.46-162,240.81-66,575.81

Finding the Fourth Proportional to 117,564.46, 162,240.81 and 66,575.81

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Solution

The fourth proportional to 117,564.46, 162,240.81 and 66,575.81 is: 91,875.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,564.46 : 162,240.81 = 66,575.81 : x
  2. Step 2: Convert to fraction form
    117,564.46/162,240.81 = 66,575.81/x
  3. Step 3: Cross multiply
    117,564.46x = 162,240.81 × 66,575.81
  4. Step 4: Simplify right side
    117,564.46x = 10,801,312,584.14
  5. Step 5: Solve for x
    x = 10,801,312,584.14/117,564.46
  6. Step 6: Final answer
    x = 91,875.66

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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.