Home / 189,445.24-261,433.16-104,562.28

Finding the Fourth Proportional to 189,445.24, 261,433.16 and 104,562.28

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Solution

The fourth proportional to 189,445.24, 261,433.16 and 104,562.28 is: 144,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,445.24 : 261,433.16 = 104,562.28 : x
  2. Step 2: Convert to fraction form
    189,445.24/261,433.16 = 104,562.28/x
  3. Step 3: Cross multiply
    189,445.24x = 261,433.16 × 104,562.28
  4. Step 4: Simplify right side
    189,445.24x = 27,336,047,277.20
  5. Step 5: Solve for x
    x = 27,336,047,277.20/189,445.24
  6. Step 6: Final answer
    x = 144,295.24

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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.