Home / 115,277.42-159,082.52-64,290.22

Finding the Fourth Proportional to 115,277.42, 159,082.52 and 64,290.22

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Solution

The fourth proportional to 115,277.42, 159,082.52 and 64,290.22 is: 88,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,277.42 : 159,082.52 = 64,290.22 : x
  2. Step 2: Convert to fraction form
    115,277.42/159,082.52 = 64,290.22/x
  3. Step 3: Cross multiply
    115,277.42x = 159,082.52 × 64,290.22
  4. Step 4: Simplify right side
    115,277.42x = 10,227,450,208.95
  5. Step 5: Solve for x
    x = 10,227,450,208.95/115,277.42
  6. Step 6: Final answer
    x = 88,720.33

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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.