Home / 189,746.72-261,834.72-104,863.76

Finding the Fourth Proportional to 189,746.72, 261,834.72 and 104,863.76

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Solution

The fourth proportional to 189,746.72, 261,834.72 and 104,863.76 is: 144,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,746.72 : 261,834.72 = 104,863.76 : x
  2. Step 2: Convert to fraction form
    189,746.72/261,834.72 = 104,863.76/x
  3. Step 3: Cross multiply
    189,746.72x = 261,834.72 × 104,863.76
  4. Step 4: Simplify right side
    189,746.72x = 27,456,973,237.75
  5. Step 5: Solve for x
    x = 27,456,973,237.75/189,746.72
  6. Step 6: Final answer
    x = 144,703.28

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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.