Home / 213,724.89-294,931.63-123,084.27

Finding the Fourth Proportional to 213,724.89, 294,931.63 and 123,084.27

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Solution

The fourth proportional to 213,724.89, 294,931.63 and 123,084.27 is: 169,851.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,724.89 : 294,931.63 = 123,084.27 : x
  2. Step 2: Convert to fraction form
    213,724.89/294,931.63 = 123,084.27/x
  3. Step 3: Cross multiply
    213,724.89x = 294,931.63 × 123,084.27
  4. Step 4: Simplify right side
    213,724.89x = 36,301,443,763.04
  5. Step 5: Solve for x
    x = 36,301,443,763.04/213,724.89
  6. Step 6: Final answer
    x = 169,851.27

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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.