Home / 213,664.23-294,848.37-118,172.52

Finding the Fourth Proportional to 213,664.23, 294,848.37 and 118,172.52

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Solution

The fourth proportional to 213,664.23, 294,848.37 and 118,172.52 is: 163,073.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,664.23 : 294,848.37 = 118,172.52 : x
  2. Step 2: Convert to fraction form
    213,664.23/294,848.37 = 118,172.52/x
  3. Step 3: Cross multiply
    213,664.23x = 294,848.37 × 118,172.52
  4. Step 4: Simplify right side
    213,664.23x = 34,842,974,900.79
  5. Step 5: Solve for x
    x = 34,842,974,900.79/213,664.23
  6. Step 6: Final answer
    x = 163,073.51

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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.