Home / 115,513.54-159,361.24-70,184.20

Finding the Fourth Proportional to 115,513.54, 159,361.24 and 70,184.20

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Solution

The fourth proportional to 115,513.54, 159,361.24 and 70,184.20 is: 96,825.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,513.54 : 159,361.24 = 70,184.20 : x
  2. Step 2: Convert to fraction form
    115,513.54/159,361.24 = 70,184.20/x
  3. Step 3: Cross multiply
    115,513.54x = 159,361.24 × 70,184.20
  4. Step 4: Simplify right side
    115,513.54x = 11,184,641,140.41
  5. Step 5: Solve for x
    x = 11,184,641,140.41/115,513.54
  6. Step 6: Final answer
    x = 96,825.37

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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.