Home / 210,178.47-289,970.49-161,795.19

Finding the Fourth Proportional to 210,178.47, 289,970.49 and 161,795.19

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Solution

The fourth proportional to 210,178.47, 289,970.49 and 161,795.19 is: 223,219.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,178.47 : 289,970.49 = 161,795.19 : x
  2. Step 2: Convert to fraction form
    210,178.47/289,970.49 = 161,795.19/x
  3. Step 3: Cross multiply
    210,178.47x = 289,970.49 × 161,795.19
  4. Step 4: Simplify right side
    210,178.47x = 46,915,830,523.94
  5. Step 5: Solve for x
    x = 46,915,830,523.94/210,178.47
  6. Step 6: Final answer
    x = 223,219.02

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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.