Home / 102,112.92-153,116.73-45,905.00

Finding the Fourth Proportional to 102,112.92, 153,116.73 and 45,905.00

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Solution

The fourth proportional to 102,112.92, 153,116.73 and 45,905.00 is: 68,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,112.92 : 153,116.73 = 45,905.00 : x
  2. Step 2: Convert to fraction form
    102,112.92/153,116.73 = 45,905.00/x
  3. Step 3: Cross multiply
    102,112.92x = 153,116.73 × 45,905.00
  4. Step 4: Simplify right side
    102,112.92x = 7,028,822,725.07
  5. Step 5: Solve for x
    x = 7,028,822,725.07/102,112.92
  6. Step 6: Final answer
    x = 68,833.82

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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.