Home / 146,355.60-219,270.96-138,482.40

Finding the Fourth Proportional to 146,355.60, 219,270.96 and 138,482.40

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Solution

The fourth proportional to 146,355.60, 219,270.96 and 138,482.40 is: 207,475.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,355.60 : 219,270.96 = 138,482.40 : x
  2. Step 2: Convert to fraction form
    146,355.60/219,270.96 = 138,482.40/x
  3. Step 3: Cross multiply
    146,355.60x = 219,270.96 × 138,482.40
  4. Step 4: Simplify right side
    146,355.60x = 30,365,168,791.10
  5. Step 5: Solve for x
    x = 30,365,168,791.10/146,355.60
  6. Step 6: Final answer
    x = 207,475.28

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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.