Home / 159,618.33-239,427.48-54,438.21

Finding the Fourth Proportional to 159,618.33, 239,427.48 and 54,438.21

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Solution

The fourth proportional to 159,618.33, 239,427.48 and 54,438.21 is: 81,657.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,618.33 : 239,427.48 = 54,438.21 : x
  2. Step 2: Convert to fraction form
    159,618.33/239,427.48 = 54,438.21/x
  3. Step 3: Cross multiply
    159,618.33x = 239,427.48 × 54,438.21
  4. Step 4: Simplify right side
    159,618.33x = 13,034,003,436.01
  5. Step 5: Solve for x
    x = 13,034,003,436.01/159,618.33
  6. Step 6: Final answer
    x = 81,657.31

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1.5x scale

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.