Home / 255,070.69-351,997.52-140,346.88

Finding the Fourth Proportional to 255,070.69, 351,997.52 and 140,346.88

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Solution

The fourth proportional to 255,070.69, 351,997.52 and 140,346.88 is: 193,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,070.69 : 351,997.52 = 140,346.88 : x
  2. Step 2: Convert to fraction form
    255,070.69/351,997.52 = 140,346.88/x
  3. Step 3: Cross multiply
    255,070.69x = 351,997.52 × 140,346.88
  4. Step 4: Simplify right side
    255,070.69x = 49,401,752,118.01
  5. Step 5: Solve for x
    x = 49,401,752,118.01/255,070.69
  6. Step 6: Final answer
    x = 193,678.67

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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.