Home / 141,528.52-195,310.90-76,998.12

Finding the Fourth Proportional to 141,528.52, 195,310.90 and 76,998.12

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Solution

The fourth proportional to 141,528.52, 195,310.90 and 76,998.12 is: 106,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,528.52 : 195,310.90 = 76,998.12 : x
  2. Step 2: Convert to fraction form
    141,528.52/195,310.90 = 76,998.12/x
  3. Step 3: Cross multiply
    141,528.52x = 195,310.90 × 76,998.12
  4. Step 4: Simplify right side
    141,528.52x = 15,038,572,115.51
  5. Step 5: Solve for x
    x = 15,038,572,115.51/141,528.52
  6. Step 6: Final answer
    x = 106,258.24

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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.