Home / 96,826.80-145,240.20-89,828.40

Finding the Fourth Proportional to 96,826.80, 145,240.20 and 89,828.40

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Solution

The fourth proportional to 96,826.80, 145,240.20 and 89,828.40 is: 134,742.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,826.80 : 145,240.20 = 89,828.40 : x
  2. Step 2: Convert to fraction form
    96,826.80/145,240.20 = 89,828.40/x
  3. Step 3: Cross multiply
    96,826.80x = 145,240.20 × 89,828.40
  4. Step 4: Simplify right side
    96,826.80x = 13,046,694,781.68
  5. Step 5: Solve for x
    x = 13,046,694,781.68/96,826.80
  6. Step 6: Final answer
    x = 134,742.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.