Home / 96,829.60-145,244.40-85,165.60

Finding the Fourth Proportional to 96,829.60, 145,244.40 and 85,165.60

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Solution

The fourth proportional to 96,829.60, 145,244.40 and 85,165.60 is: 127,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,829.60 : 145,244.40 = 85,165.60 : x
  2. Step 2: Convert to fraction form
    96,829.60/145,244.40 = 85,165.60/x
  3. Step 3: Cross multiply
    96,829.60x = 145,244.40 × 85,165.60
  4. Step 4: Simplify right side
    96,829.60x = 12,369,826,472.64
  5. Step 5: Solve for x
    x = 12,369,826,472.64/96,829.60
  6. Step 6: Final answer
    x = 127,748.40

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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.