Home / 152,647.32-228,959.46-77,720.52

Finding the Fourth Proportional to 152,647.32, 228,959.46 and 77,720.52

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Solution

The fourth proportional to 152,647.32, 228,959.46 and 77,720.52 is: 116,574.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,647.32 : 228,959.46 = 77,720.52 : x
  2. Step 2: Convert to fraction form
    152,647.32/228,959.46 = 77,720.52/x
  3. Step 3: Cross multiply
    152,647.32x = 228,959.46 × 77,720.52
  4. Step 4: Simplify right side
    152,647.32x = 17,794,848,290.12
  5. Step 5: Solve for x
    x = 17,794,848,290.12/152,647.32
  6. Step 6: Final answer
    x = 116,574.91

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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.