Home / 115,537.24-159,423.42-65,235.16

Finding the Fourth Proportional to 115,537.24, 159,423.42 and 65,235.16

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Solution

The fourth proportional to 115,537.24, 159,423.42 and 65,235.16 is: 90,014.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,537.24 : 159,423.42 = 65,235.16 : x
  2. Step 2: Convert to fraction form
    115,537.24/159,423.42 = 65,235.16/x
  3. Step 3: Cross multiply
    115,537.24x = 159,423.42 × 65,235.16
  4. Step 4: Simplify right side
    115,537.24x = 10,400,012,311.45
  5. Step 5: Solve for x
    x = 10,400,012,311.45/115,537.24
  6. Step 6: Final answer
    x = 90,014.37

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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.