Home / 189,445.23-261,433.11-104,562.29

Finding the Fourth Proportional to 189,445.23, 261,433.11 and 104,562.29

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Solution

The fourth proportional to 189,445.23, 261,433.11 and 104,562.29 is: 144,295.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,445.23 : 261,433.11 = 104,562.29 : x
  2. Step 2: Convert to fraction form
    189,445.23/261,433.11 = 104,562.29/x
  3. Step 3: Cross multiply
    189,445.23x = 261,433.11 × 104,562.29
  4. Step 4: Simplify right side
    189,445.23x = 27,336,043,356.26
  5. Step 5: Solve for x
    x = 27,336,043,356.26/189,445.23
  6. Step 6: Final answer
    x = 144,295.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.