Home / 120,180.32-165,848.51-69,174.41

Finding the Fourth Proportional to 120,180.32, 165,848.51 and 69,174.41

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Solution

The fourth proportional to 120,180.32, 165,848.51 and 69,174.41 is: 95,460.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,180.32 : 165,848.51 = 69,174.41 : x
  2. Step 2: Convert to fraction form
    120,180.32/165,848.51 = 69,174.41/x
  3. Step 3: Cross multiply
    120,180.32x = 165,848.51 × 69,174.41
  4. Step 4: Simplify right side
    120,180.32x = 11,472,472,828.63
  5. Step 5: Solve for x
    x = 11,472,472,828.63/120,180.32
  6. Step 6: Final answer
    x = 95,460.50

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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.