Home / 141,321.04-195,024.36-77,660.24

Finding the Fourth Proportional to 141,321.04, 195,024.36 and 77,660.24

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Solution

The fourth proportional to 141,321.04, 195,024.36 and 77,660.24 is: 107,171.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,321.04 : 195,024.36 = 77,660.24 : x
  2. Step 2: Convert to fraction form
    141,321.04/195,024.36 = 77,660.24/x
  3. Step 3: Cross multiply
    141,321.04x = 195,024.36 × 77,660.24
  4. Step 4: Simplify right side
    141,321.04x = 15,145,638,603.45
  5. Step 5: Solve for x
    x = 15,145,638,603.45/141,321.04
  6. Step 6: Final answer
    x = 107,171.86

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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.