Home / 170,949.60-235,775.94-159,490.56

Finding the Fourth Proportional to 170,949.60, 235,775.94 and 159,490.56

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Solution

The fourth proportional to 170,949.60, 235,775.94 and 159,490.56 is: 219,971.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,949.60 : 235,775.94 = 159,490.56 : x
  2. Step 2: Convert to fraction form
    170,949.60/235,775.94 = 159,490.56/x
  3. Step 3: Cross multiply
    170,949.60x = 235,775.94 × 159,490.56
  4. Step 4: Simplify right side
    170,949.60x = 37,604,036,705.13
  5. Step 5: Solve for x
    x = 37,604,036,705.13/170,949.60
  6. Step 6: Final answer
    x = 219,971.48

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1.5x scale

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.