Home / 189,557.16-261,590.07-104,674.20

Finding the Fourth Proportional to 189,557.16, 261,590.07 and 104,674.20

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Solution

The fourth proportional to 189,557.16, 261,590.07 and 104,674.20 is: 144,451.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,557.16 : 261,590.07 = 104,674.20 : x
  2. Step 2: Convert to fraction form
    189,557.16/261,590.07 = 104,674.20/x
  3. Step 3: Cross multiply
    189,557.16x = 261,590.07 × 104,674.20
  4. Step 4: Simplify right side
    189,557.16x = 27,381,731,305.19
  5. Step 5: Solve for x
    x = 27,381,731,305.19/189,557.16
  6. Step 6: Final answer
    x = 144,451.05

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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.