Home / 160,133.32-239,850.06-81,111.88

Finding the Fourth Proportional to 160,133.32, 239,850.06 and 81,111.88

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Solution

The fourth proportional to 160,133.32, 239,850.06 and 81,111.88 is: 121,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,133.32 : 239,850.06 = 81,111.88 : x
  2. Step 2: Convert to fraction form
    160,133.32/239,850.06 = 81,111.88/x
  3. Step 3: Cross multiply
    160,133.32x = 239,850.06 × 81,111.88
  4. Step 4: Simplify right side
    160,133.32x = 19,454,689,284.71
  5. Step 5: Solve for x
    x = 19,454,689,284.71/160,133.32
  6. Step 6: Final answer
    x = 121,490.58

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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.