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Finding the Fourth Proportional to 96,210.60, 144,315.90 and 29,644.80

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Solution

The fourth proportional to 96,210.60, 144,315.90 and 29,644.80 is: 44,467.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,210.60 : 144,315.90 = 29,644.80 : x
  2. Step 2: Convert to fraction form
    96,210.60/144,315.90 = 29,644.80/x
  3. Step 3: Cross multiply
    96,210.60x = 144,315.90 × 29,644.80
  4. Step 4: Simplify right side
    96,210.60x = 4,278,215,992.32
  5. Step 5: Solve for x
    x = 4,278,215,992.32/96,210.60
  6. Step 6: Final answer
    x = 44,467.20

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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.