Home / 216,719.03-298,941.48-143,131.91

Finding the Fourth Proportional to 216,719.03, 298,941.48 and 143,131.91

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Solution

The fourth proportional to 216,719.03, 298,941.48 and 143,131.91 is: 197,435.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,719.03 : 298,941.48 = 143,131.91 : x
  2. Step 2: Convert to fraction form
    216,719.03/298,941.48 = 143,131.91/x
  3. Step 3: Cross multiply
    216,719.03x = 298,941.48 × 143,131.91
  4. Step 4: Simplify right side
    216,719.03x = 42,788,063,515.92
  5. Step 5: Solve for x
    x = 42,788,063,515.92/216,719.03
  6. Step 6: Final answer
    x = 197,435.66

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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.