Home / 141,823.30-195,720.24-78,165.19

Finding the Fourth Proportional to 141,823.30, 195,720.24 and 78,165.19

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Solution

The fourth proportional to 141,823.30, 195,720.24 and 78,165.19 is: 107,870.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,823.30 : 195,720.24 = 78,165.19 : x
  2. Step 2: Convert to fraction form
    141,823.30/195,720.24 = 78,165.19/x
  3. Step 3: Cross multiply
    141,823.30x = 195,720.24 × 78,165.19
  4. Step 4: Simplify right side
    141,823.30x = 15,298,509,746.45
  5. Step 5: Solve for x
    x = 15,298,509,746.45/141,823.30
  6. Step 6: Final answer
    x = 107,870.21

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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.