Home / 146,189.90-201,743.74-85,761.57

Finding the Fourth Proportional to 146,189.90, 201,743.74 and 85,761.57

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Solution

The fourth proportional to 146,189.90, 201,743.74 and 85,761.57 is: 118,351.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,189.90 : 201,743.74 = 85,761.57 : x
  2. Step 2: Convert to fraction form
    146,189.90/201,743.74 = 85,761.57/x
  3. Step 3: Cross multiply
    146,189.90x = 201,743.74 × 85,761.57
  4. Step 4: Simplify right side
    146,189.90x = 17,301,859,880.07
  5. Step 5: Solve for x
    x = 17,301,859,880.07/146,189.90
  6. Step 6: Final answer
    x = 118,351.95

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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.