Home / 146,407.51-202,044.54-81,883.72

Finding the Fourth Proportional to 146,407.51, 202,044.54 and 81,883.72

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Solution

The fourth proportional to 146,407.51, 202,044.54 and 81,883.72 is: 113,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,407.51 : 202,044.54 = 81,883.72 : x
  2. Step 2: Convert to fraction form
    146,407.51/202,044.54 = 81,883.72/x
  3. Step 3: Cross multiply
    146,407.51x = 202,044.54 × 81,883.72
  4. Step 4: Simplify right side
    146,407.51x = 16,544,158,540.89
  5. Step 5: Solve for x
    x = 16,544,158,540.89/146,407.51
  6. Step 6: Final answer
    x = 113,000.75

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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.