Home / 141,703.56-195,548.55-78,047.28

Finding the Fourth Proportional to 141,703.56, 195,548.55 and 78,047.28

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Solution

The fourth proportional to 141,703.56, 195,548.55 and 78,047.28 is: 107,703.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,703.56 : 195,548.55 = 78,047.28 : x
  2. Step 2: Convert to fraction form
    141,703.56/195,548.55 = 78,047.28/x
  3. Step 3: Cross multiply
    141,703.56x = 195,548.55 × 78,047.28
  4. Step 4: Simplify right side
    141,703.56x = 15,262,032,435.44
  5. Step 5: Solve for x
    x = 15,262,032,435.44/141,703.56
  6. Step 6: Final answer
    x = 107,703.95

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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.