Home / 186,734.16-257,670.72-106,161.84

Finding the Fourth Proportional to 186,734.16, 257,670.72 and 106,161.84

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Solution

The fourth proportional to 186,734.16, 257,670.72 and 106,161.84 is: 146,490.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,734.16 : 257,670.72 = 106,161.84 : x
  2. Step 2: Convert to fraction form
    186,734.16/257,670.72 = 106,161.84/x
  3. Step 3: Cross multiply
    186,734.16x = 257,670.72 × 106,161.84
  4. Step 4: Simplify right side
    186,734.16x = 27,354,797,749.32
  5. Step 5: Solve for x
    x = 27,354,797,749.32/186,734.16
  6. Step 6: Final answer
    x = 146,490.59

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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.