Home / 141,389.55-195,116.21-105,252.60

Finding the Fourth Proportional to 141,389.55, 195,116.21 and 105,252.60

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Solution

The fourth proportional to 141,389.55, 195,116.21 and 105,252.60 is: 145,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,389.55 : 195,116.21 = 105,252.60 : x
  2. Step 2: Convert to fraction form
    141,389.55/195,116.21 = 105,252.60/x
  3. Step 3: Cross multiply
    141,389.55x = 195,116.21 × 105,252.60
  4. Step 4: Simplify right side
    141,389.55x = 20,536,487,907.24
  5. Step 5: Solve for x
    x = 20,536,487,907.24/141,389.55
  6. Step 6: Final answer
    x = 145,247.57

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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.