Home / 159,660.40-239,490.56-54,479.36

Finding the Fourth Proportional to 159,660.40, 239,490.56 and 54,479.36

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Solution

The fourth proportional to 159,660.40, 239,490.56 and 54,479.36 is: 81,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,660.40 : 239,490.56 = 54,479.36 : x
  2. Step 2: Convert to fraction form
    159,660.40/239,490.56 = 54,479.36/x
  3. Step 3: Cross multiply
    159,660.40x = 239,490.56 × 54,479.36
  4. Step 4: Simplify right side
    159,660.40x = 13,047,292,434.84
  5. Step 5: Solve for x
    x = 13,047,292,434.84/159,660.40
  6. Step 6: Final answer
    x = 81,719.03

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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.