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Finding the Fourth Proportional to 146,802.60, 220,203.90 and 121,433.40

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Solution

The fourth proportional to 146,802.60, 220,203.90 and 121,433.40 is: 182,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,802.60 : 220,203.90 = 121,433.40 : x
  2. Step 2: Convert to fraction form
    146,802.60/220,203.90 = 121,433.40/x
  3. Step 3: Cross multiply
    146,802.60x = 220,203.90 × 121,433.40
  4. Step 4: Simplify right side
    146,802.60x = 26,740,108,270.26
  5. Step 5: Solve for x
    x = 26,740,108,270.26/146,802.60
  6. Step 6: Final answer
    x = 182,150.10

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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.