Home / 115,427.03-159,297.35-64,449.79

Finding the Fourth Proportional to 115,427.03, 159,297.35 and 64,449.79

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Solution

The fourth proportional to 115,427.03, 159,297.35 and 64,449.79 is: 88,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.03 : 159,297.35 = 64,449.79 : x
  2. Step 2: Convert to fraction form
    115,427.03/159,297.35 = 64,449.79/x
  3. Step 3: Cross multiply
    115,427.03x = 159,297.35 × 64,449.79
  4. Step 4: Simplify right side
    115,427.03x = 10,266,679,636.32
  5. Step 5: Solve for x
    x = 10,266,679,636.32/115,427.03
  6. Step 6: Final answer
    x = 88,945.19

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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.