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Finding the Fourth Proportional to 96,003.60, 144,005.40 and 64,510.80

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Solution

The fourth proportional to 96,003.60, 144,005.40 and 64,510.80 is: 96,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,003.60 : 144,005.40 = 64,510.80 : x
  2. Step 2: Convert to fraction form
    96,003.60/144,005.40 = 64,510.80/x
  3. Step 3: Cross multiply
    96,003.60x = 144,005.40 × 64,510.80
  4. Step 4: Simplify right side
    96,003.60x = 9,289,903,558.32
  5. Step 5: Solve for x
    x = 9,289,903,558.32/96,003.60
  6. Step 6: Final answer
    x = 96,766.20

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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.