Home / 102,899.89-154,237.23-52,982.98

Finding the Fourth Proportional to 102,899.89, 154,237.23 and 52,982.98

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Solution

The fourth proportional to 102,899.89, 154,237.23 and 52,982.98 is: 79,416.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,899.89 : 154,237.23 = 52,982.98 : x
  2. Step 2: Convert to fraction form
    102,899.89/154,237.23 = 52,982.98/x
  3. Step 3: Cross multiply
    102,899.89x = 154,237.23 × 52,982.98
  4. Step 4: Simplify right side
    102,899.89x = 8,171,947,686.75
  5. Step 5: Solve for x
    x = 8,171,947,686.75/102,899.89
  6. Step 6: Final answer
    x = 79,416.49

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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.