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Finding the Fourth Proportional to 144,296.60, 216,444.90 and 118,052.60

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Solution

The fourth proportional to 144,296.60, 216,444.90 and 118,052.60 is: 177,078.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,296.60 : 216,444.90 = 118,052.60 : x
  2. Step 2: Convert to fraction form
    144,296.60/216,444.90 = 118,052.60/x
  3. Step 3: Cross multiply
    144,296.60x = 216,444.90 × 118,052.60
  4. Step 4: Simplify right side
    144,296.60x = 25,551,883,201.74
  5. Step 5: Solve for x
    x = 25,551,883,201.74/144,296.60
  6. Step 6: Final answer
    x = 177,078.90

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1.5x scale

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.