Home / 142,803.33-213,805.64-107,632.77

Finding the Fourth Proportional to 142,803.33, 213,805.64 and 107,632.77

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Solution

The fourth proportional to 142,803.33, 213,805.64 and 107,632.77 is: 161,148.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,803.33 : 213,805.64 = 107,632.77 : x
  2. Step 2: Convert to fraction form
    142,803.33/213,805.64 = 107,632.77/x
  3. Step 3: Cross multiply
    142,803.33x = 213,805.64 × 107,632.77
  4. Step 4: Simplify right side
    142,803.33x = 23,012,492,736.66
  5. Step 5: Solve for x
    x = 23,012,492,736.66/142,803.33
  6. Step 6: Final answer
    x = 161,148.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.