Home / 208,982.13-288,483.63-141,091.07

Finding the Fourth Proportional to 208,982.13, 288,483.63 and 141,091.07

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Solution

The fourth proportional to 208,982.13, 288,483.63 and 141,091.07 is: 194,765.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,982.13 : 288,483.63 = 141,091.07 : x
  2. Step 2: Convert to fraction form
    208,982.13/288,483.63 = 141,091.07/x
  3. Step 3: Cross multiply
    208,982.13x = 288,483.63 × 141,091.07
  4. Step 4: Simplify right side
    208,982.13x = 40,702,461,886.31
  5. Step 5: Solve for x
    x = 40,702,461,886.31/208,982.13
  6. Step 6: Final answer
    x = 194,765.27

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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.