Home / 60,161.18-90,241.54-20,718.18

Finding the Fourth Proportional to 60,161.18, 90,241.54 and 20,718.18

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Solution

The fourth proportional to 60,161.18, 90,241.54 and 20,718.18 is: 31,077.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,161.18 : 90,241.54 = 20,718.18 : x
  2. Step 2: Convert to fraction form
    60,161.18/90,241.54 = 20,718.18/x
  3. Step 3: Cross multiply
    60,161.18x = 90,241.54 × 20,718.18
  4. Step 4: Simplify right side
    60,161.18x = 1,869,640,533.94
  5. Step 5: Solve for x
    x = 1,869,640,533.94/60,161.18
  6. Step 6: Final answer
    x = 31,077.19

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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.