Home / 152,383.64-228,424.79-72,281.12

Finding the Fourth Proportional to 152,383.64, 228,424.79 and 72,281.12

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Solution

The fourth proportional to 152,383.64, 228,424.79 and 72,281.12 is: 108,350.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,383.64 : 228,424.79 = 72,281.12 : x
  2. Step 2: Convert to fraction form
    152,383.64/228,424.79 = 72,281.12/x
  3. Step 3: Cross multiply
    152,383.64x = 228,424.79 × 72,281.12
  4. Step 4: Simplify right side
    152,383.64x = 16,510,798,153.44
  5. Step 5: Solve for x
    x = 16,510,798,153.44/152,383.64
  6. Step 6: Final answer
    x = 108,350.21

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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.