Home / 68,189.02-102,297.50-28,746.20

Finding the Fourth Proportional to 68,189.02, 102,297.50 and 28,746.20

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Solution

The fourth proportional to 68,189.02, 102,297.50 and 28,746.20 is: 43,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,189.02 : 102,297.50 = 28,746.20 : x
  2. Step 2: Convert to fraction form
    68,189.02/102,297.50 = 28,746.20/x
  3. Step 3: Cross multiply
    68,189.02x = 102,297.50 × 28,746.20
  4. Step 4: Simplify right side
    68,189.02x = 2,940,664,250.77
  5. Step 5: Solve for x
    x = 2,940,664,250.77/68,189.02
  6. Step 6: Final answer
    x = 43,125.19

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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.