Home / 102,730.16-154,118.88-43,568.12

Finding the Fourth Proportional to 102,730.16, 154,118.88 and 43,568.12

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Solution

The fourth proportional to 102,730.16, 154,118.88 and 43,568.12 is: 65,362.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,730.16 : 154,118.88 = 43,568.12 : x
  2. Step 2: Convert to fraction form
    102,730.16/154,118.88 = 43,568.12/x
  3. Step 3: Cross multiply
    102,730.16x = 154,118.88 × 43,568.12
  4. Step 4: Simplify right side
    102,730.16x = 6,714,669,858.11
  5. Step 5: Solve for x
    x = 6,714,669,858.11/102,730.16
  6. Step 6: Final answer
    x = 65,362.21

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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.