Home / 106,339.23-146,705.18-68,088.60

Finding the Fourth Proportional to 106,339.23, 146,705.18 and 68,088.60

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Solution

The fourth proportional to 106,339.23, 146,705.18 and 68,088.60 is: 93,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,339.23 : 146,705.18 = 68,088.60 : x
  2. Step 2: Convert to fraction form
    106,339.23/146,705.18 = 68,088.60/x
  3. Step 3: Cross multiply
    106,339.23x = 146,705.18 × 68,088.60
  4. Step 4: Simplify right side
    106,339.23x = 9,988,949,978.51
  5. Step 5: Solve for x
    x = 9,988,949,978.51/106,339.23
  6. Step 6: Final answer
    x = 93,934.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.