Home / 152,021.70-228,011.85-39,710.70

Finding the Fourth Proportional to 152,021.70, 228,011.85 and 39,710.70

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Solution

The fourth proportional to 152,021.70, 228,011.85 and 39,710.70 is: 59,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,021.70 : 228,011.85 = 39,710.70 : x
  2. Step 2: Convert to fraction form
    152,021.70/228,011.85 = 39,710.70/x
  3. Step 3: Cross multiply
    152,021.70x = 228,011.85 × 39,710.70
  4. Step 4: Simplify right side
    152,021.70x = 9,054,510,171.80
  5. Step 5: Solve for x
    x = 9,054,510,171.80/152,021.70
  6. Step 6: Final answer
    x = 59,560.64

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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.