Home / 122,169.60-183,254.40-118,087.20

Finding the Fourth Proportional to 122,169.60, 183,254.40 and 118,087.20

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Solution

The fourth proportional to 122,169.60, 183,254.40 and 118,087.20 is: 177,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,169.60 : 183,254.40 = 118,087.20 : x
  2. Step 2: Convert to fraction form
    122,169.60/183,254.40 = 118,087.20/x
  3. Step 3: Cross multiply
    122,169.60x = 183,254.40 × 118,087.20
  4. Step 4: Simplify right side
    122,169.60x = 21,639,998,983.68
  5. Step 5: Solve for x
    x = 21,639,998,983.68/122,169.60
  6. Step 6: Final answer
    x = 177,130.80

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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.