Home / 102,181.23-153,268.20-35,621.10

Finding the Fourth Proportional to 102,181.23, 153,268.20 and 35,621.10

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Solution

The fourth proportional to 102,181.23, 153,268.20 and 35,621.10 is: 53,430.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,181.23 : 153,268.20 = 35,621.10 : x
  2. Step 2: Convert to fraction form
    102,181.23/153,268.20 = 35,621.10/x
  3. Step 3: Cross multiply
    102,181.23x = 153,268.20 × 35,621.10
  4. Step 4: Simplify right side
    102,181.23x = 5,459,581,879.02
  5. Step 5: Solve for x
    x = 5,459,581,879.02/102,181.23
  6. Step 6: Final answer
    x = 53,430.38

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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.