Home / 102,168.03-153,052.79-57,660.15

Finding the Fourth Proportional to 102,168.03, 153,052.79 and 57,660.15

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Solution

The fourth proportional to 102,168.03, 153,052.79 and 57,660.15 is: 86,377.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,168.03 : 153,052.79 = 57,660.15 : x
  2. Step 2: Convert to fraction form
    102,168.03/153,052.79 = 57,660.15/x
  3. Step 3: Cross multiply
    102,168.03x = 153,052.79 × 57,660.15
  4. Step 4: Simplify right side
    102,168.03x = 8,825,046,541.02
  5. Step 5: Solve for x
    x = 8,825,046,541.02/102,168.03
  6. Step 6: Final answer
    x = 86,377.77

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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.