Home / 146,840.40-220,260.60-144,872.10

Finding the Fourth Proportional to 146,840.40, 220,260.60 and 144,872.10

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Solution

The fourth proportional to 146,840.40, 220,260.60 and 144,872.10 is: 217,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,840.40 : 220,260.60 = 144,872.10 : x
  2. Step 2: Convert to fraction form
    146,840.40/220,260.60 = 144,872.10/x
  3. Step 3: Cross multiply
    146,840.40x = 220,260.60 × 144,872.10
  4. Step 4: Simplify right side
    146,840.40x = 31,909,615,669.26
  5. Step 5: Solve for x
    x = 31,909,615,669.26/146,840.40
  6. Step 6: Final answer
    x = 217,308.15

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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.