Home / 248,341.50-342,711.28-135,165.06

Finding the Fourth Proportional to 248,341.50, 342,711.28 and 135,165.06

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Solution

The fourth proportional to 248,341.50, 342,711.28 and 135,165.06 is: 186,527.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,341.50 : 342,711.28 = 135,165.06 : x
  2. Step 2: Convert to fraction form
    248,341.50/342,711.28 = 135,165.06/x
  3. Step 3: Cross multiply
    248,341.50x = 342,711.28 × 135,165.06
  4. Step 4: Simplify right side
    248,341.50x = 46,322,590,723.88
  5. Step 5: Solve for x
    x = 46,322,590,723.88/248,341.50
  6. Step 6: Final answer
    x = 186,527.79

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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.