Home / 152,949.64-229,564.51-78,122.23

Finding the Fourth Proportional to 152,949.64, 229,564.51 and 78,122.23

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Solution

The fourth proportional to 152,949.64, 229,564.51 and 78,122.23 is: 117,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,949.64 : 229,564.51 = 78,122.23 : x
  2. Step 2: Convert to fraction form
    152,949.64/229,564.51 = 78,122.23/x
  3. Step 3: Cross multiply
    152,949.64x = 229,564.51 × 78,122.23
  4. Step 4: Simplify right side
    152,949.64x = 17,934,091,450.06
  5. Step 5: Solve for x
    x = 17,934,091,450.06/152,949.64
  6. Step 6: Final answer
    x = 117,254.88

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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.