Home / 213,740.54-294,945.68-118,245.18

Finding the Fourth Proportional to 213,740.54, 294,945.68 and 118,245.18

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Solution

The fourth proportional to 213,740.54, 294,945.68 and 118,245.18 is: 163,169.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,740.54 : 294,945.68 = 118,245.18 : x
  2. Step 2: Convert to fraction form
    213,740.54/294,945.68 = 118,245.18/x
  3. Step 3: Cross multiply
    213,740.54x = 294,945.68 × 118,245.18
  4. Step 4: Simplify right side
    213,740.54x = 34,875,904,430.60
  5. Step 5: Solve for x
    x = 34,875,904,430.60/213,740.54
  6. Step 6: Final answer
    x = 163,169.35

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1.5x scale

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.