Home / 146,870.64-202,682.52-79,802.64

Finding the Fourth Proportional to 146,870.64, 202,682.52 and 79,802.64

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Solution

The fourth proportional to 146,870.64, 202,682.52 and 79,802.64 is: 110,128.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,870.64 : 202,682.52 = 79,802.64 : x
  2. Step 2: Convert to fraction form
    146,870.64/202,682.52 = 79,802.64/x
  3. Step 3: Cross multiply
    146,870.64x = 202,682.52 × 79,802.64
  4. Step 4: Simplify right side
    146,870.64x = 16,174,600,177.85
  5. Step 5: Solve for x
    x = 16,174,600,177.85/146,870.64
  6. Step 6: Final answer
    x = 110,128.21

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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.