Home / 96,749.40-145,431.30-89,376.60

Finding the Fourth Proportional to 96,749.40, 145,431.30 and 89,376.60

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Solution

The fourth proportional to 96,749.40, 145,431.30 and 89,376.60 is: 134,348.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,749.40 : 145,431.30 = 89,376.60 : x
  2. Step 2: Convert to fraction form
    96,749.40/145,431.30 = 89,376.60/x
  3. Step 3: Cross multiply
    96,749.40x = 145,431.30 × 89,376.60
  4. Step 4: Simplify right side
    96,749.40x = 12,998,155,127.58
  5. Step 5: Solve for x
    x = 12,998,155,127.58/96,749.40
  6. Step 6: Final answer
    x = 134,348.69

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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.