Home / 146,541.60-219,812.40-76,411.80

Finding the Fourth Proportional to 146,541.60, 219,812.40 and 76,411.80

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Solution

The fourth proportional to 146,541.60, 219,812.40 and 76,411.80 is: 114,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,541.60 : 219,812.40 = 76,411.80 : x
  2. Step 2: Convert to fraction form
    146,541.60/219,812.40 = 76,411.80/x
  3. Step 3: Cross multiply
    146,541.60x = 219,812.40 × 76,411.80
  4. Step 4: Simplify right side
    146,541.60x = 16,796,261,146.32
  5. Step 5: Solve for x
    x = 16,796,261,146.32/146,541.60
  6. Step 6: Final answer
    x = 114,617.70

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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.