Home / 152,256.54-228,051.36-77,247.84

Finding the Fourth Proportional to 152,256.54, 228,051.36 and 77,247.84

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Solution

The fourth proportional to 152,256.54, 228,051.36 and 77,247.84 is: 115,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,256.54 : 228,051.36 = 77,247.84 : x
  2. Step 2: Convert to fraction form
    152,256.54/228,051.36 = 77,247.84/x
  3. Step 3: Cross multiply
    152,256.54x = 228,051.36 × 77,247.84
  4. Step 4: Simplify right side
    152,256.54x = 17,616,474,969.06
  5. Step 5: Solve for x
    x = 17,616,474,969.06/152,256.54
  6. Step 6: Final answer
    x = 115,702.58

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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.