Home / 170,875.30-235,676.85-102,821.32

Finding the Fourth Proportional to 170,875.30, 235,676.85 and 102,821.32

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Solution

The fourth proportional to 170,875.30, 235,676.85 and 102,821.32 is: 141,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,875.30 : 235,676.85 = 102,821.32 : x
  2. Step 2: Convert to fraction form
    170,875.30/235,676.85 = 102,821.32/x
  3. Step 3: Cross multiply
    170,875.30x = 235,676.85 × 102,821.32
  4. Step 4: Simplify right side
    170,875.30x = 24,232,606,105.26
  5. Step 5: Solve for x
    x = 24,232,606,105.26/170,875.30
  6. Step 6: Final answer
    x = 141,814.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.