Home / 119,726.60-165,223.86-66,013.70

Finding the Fourth Proportional to 119,726.60, 165,223.86 and 66,013.70

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Solution

The fourth proportional to 119,726.60, 165,223.86 and 66,013.70 is: 91,099.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,726.60 : 165,223.86 = 66,013.70 : x
  2. Step 2: Convert to fraction form
    119,726.60/165,223.86 = 66,013.70/x
  3. Step 3: Cross multiply
    119,726.60x = 165,223.86 × 66,013.70
  4. Step 4: Simplify right side
    119,726.60x = 10,907,038,326.88
  5. Step 5: Solve for x
    x = 10,907,038,326.88/119,726.60
  6. Step 6: Final answer
    x = 91,099.54

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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.