Home / 60,129.16-90,168.37-18,015.23

Finding the Fourth Proportional to 60,129.16, 90,168.37 and 18,015.23

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Solution

The fourth proportional to 60,129.16, 90,168.37 and 18,015.23 is: 27,015.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,129.16 : 90,168.37 = 18,015.23 : x
  2. Step 2: Convert to fraction form
    60,129.16/90,168.37 = 18,015.23/x
  3. Step 3: Cross multiply
    60,129.16x = 90,168.37 × 18,015.23
  4. Step 4: Simplify right side
    60,129.16x = 1,624,404,155.33
  5. Step 5: Solve for x
    x = 1,624,404,155.33/60,129.16
  6. Step 6: Final answer
    x = 27,015.25

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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.