Home / 141,710.56-195,560.06-78,048.21

Finding the Fourth Proportional to 141,710.56, 195,560.06 and 78,048.21

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Solution

The fourth proportional to 141,710.56, 195,560.06 and 78,048.21 is: 107,706.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,710.56 : 195,560.06 = 78,048.21 : x
  2. Step 2: Convert to fraction form
    141,710.56/195,560.06 = 78,048.21/x
  3. Step 3: Cross multiply
    141,710.56x = 195,560.06 × 78,048.21
  4. Step 4: Simplify right side
    141,710.56x = 15,263,111,847.81
  5. Step 5: Solve for x
    x = 15,263,111,847.81/141,710.56
  6. Step 6: Final answer
    x = 107,706.24

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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.