Home / 213,652.69-294,815.18-118,146.40

Finding the Fourth Proportional to 213,652.69, 294,815.18 and 118,146.40

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Solution

The fourth proportional to 213,652.69, 294,815.18 and 118,146.40 is: 163,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,652.69 : 294,815.18 = 118,146.40 : x
  2. Step 2: Convert to fraction form
    213,652.69/294,815.18 = 118,146.40/x
  3. Step 3: Cross multiply
    213,652.69x = 294,815.18 × 118,146.40
  4. Step 4: Simplify right side
    213,652.69x = 34,831,351,740.68
  5. Step 5: Solve for x
    x = 34,831,351,740.68/213,652.69
  6. Step 6: Final answer
    x = 163,027.91

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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.