Home / 342,529.15-513,842.93-105,890.28

Finding the Fourth Proportional to 342,529.15, 513,842.93 and 105,890.28

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Solution

The fourth proportional to 342,529.15, 513,842.93 and 105,890.28 is: 158,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,529.15 : 513,842.93 = 105,890.28 : x
  2. Step 2: Convert to fraction form
    342,529.15/513,842.93 = 105,890.28/x
  3. Step 3: Cross multiply
    342,529.15x = 513,842.93 × 105,890.28
  4. Step 4: Simplify right side
    342,529.15x = 54,410,971,733.72
  5. Step 5: Solve for x
    x = 54,410,971,733.72/342,529.15
  6. Step 6: Final answer
    x = 158,850.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.