Home / 189,447.10-261,435.74-104,564.16

Finding the Fourth Proportional to 189,447.10, 261,435.74 and 104,564.16

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Solution

The fourth proportional to 189,447.10, 261,435.74 and 104,564.16 is: 144,297.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,447.10 : 261,435.74 = 104,564.16 : x
  2. Step 2: Convert to fraction form
    189,447.10/261,435.74 = 104,564.16/x
  3. Step 3: Cross multiply
    189,447.10x = 261,435.74 × 104,564.16
  4. Step 4: Simplify right side
    189,447.10x = 27,336,808,024.26
  5. Step 5: Solve for x
    x = 27,336,808,024.26/189,447.10
  6. Step 6: Final answer
    x = 144,297.85

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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.