Home / 159,628.13-239,443.39-70,857.77

Finding the Fourth Proportional to 159,628.13, 239,443.39 and 70,857.77

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Solution

The fourth proportional to 159,628.13, 239,443.39 and 70,857.77 is: 106,287.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,628.13 : 239,443.39 = 70,857.77 : x
  2. Step 2: Convert to fraction form
    159,628.13/239,443.39 = 70,857.77/x
  3. Step 3: Cross multiply
    159,628.13x = 239,443.39 × 70,857.77
  4. Step 4: Simplify right side
    159,628.13x = 16,966,423,282.28
  5. Step 5: Solve for x
    x = 16,966,423,282.28/159,628.13
  6. Step 6: Final answer
    x = 106,287.18

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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.