Home / 210,478.84-290,556.55-134,102.66

Finding the Fourth Proportional to 210,478.84, 290,556.55 and 134,102.66

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Solution

The fourth proportional to 210,478.84, 290,556.55 and 134,102.66 is: 185,122.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,478.84 : 290,556.55 = 134,102.66 : x
  2. Step 2: Convert to fraction form
    210,478.84/290,556.55 = 134,102.66/x
  3. Step 3: Cross multiply
    210,478.84x = 290,556.55 × 134,102.66
  4. Step 4: Simplify right side
    210,478.84x = 38,964,404,950.27
  5. Step 5: Solve for x
    x = 38,964,404,950.27/210,478.84
  6. Step 6: Final answer
    x = 185,122.67

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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.