Home / 152,973.31-229,381.18-68,661.20

Finding the Fourth Proportional to 152,973.31, 229,381.18 and 68,661.20

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Solution

The fourth proportional to 152,973.31, 229,381.18 and 68,661.20 is: 102,956.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,973.31 : 229,381.18 = 68,661.20 : x
  2. Step 2: Convert to fraction form
    152,973.31/229,381.18 = 68,661.20/x
  3. Step 3: Cross multiply
    152,973.31x = 229,381.18 × 68,661.20
  4. Step 4: Simplify right side
    152,973.31x = 15,749,587,076.22
  5. Step 5: Solve for x
    x = 15,749,587,076.22/152,973.31
  6. Step 6: Final answer
    x = 102,956.44

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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.