Home / 102,667.10-154,015.43-31,595.77

Finding the Fourth Proportional to 102,667.10, 154,015.43 and 31,595.77

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Solution

The fourth proportional to 102,667.10, 154,015.43 and 31,595.77 is: 47,398.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,667.10 : 154,015.43 = 31,595.77 : x
  2. Step 2: Convert to fraction form
    102,667.10/154,015.43 = 31,595.77/x
  3. Step 3: Cross multiply
    102,667.10x = 154,015.43 × 31,595.77
  4. Step 4: Simplify right side
    102,667.10x = 4,866,236,137.27
  5. Step 5: Solve for x
    x = 4,866,236,137.27/102,667.10
  6. Step 6: Final answer
    x = 47,398.21

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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.