Home / 188,888.28-260,670.33-102,851.70

Finding the Fourth Proportional to 188,888.28, 260,670.33 and 102,851.70

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Solution

The fourth proportional to 188,888.28, 260,670.33 and 102,851.70 is: 141,937.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,888.28 : 260,670.33 = 102,851.70 : x
  2. Step 2: Convert to fraction form
    188,888.28/260,670.33 = 102,851.70/x
  3. Step 3: Cross multiply
    188,888.28x = 260,670.33 × 102,851.70
  4. Step 4: Simplify right side
    188,888.28x = 26,810,386,580.06
  5. Step 5: Solve for x
    x = 26,810,386,580.06/188,888.28
  6. Step 6: Final answer
    x = 141,937.80

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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.