Home / 213,180.36-294,187.04-117,685.00

Finding the Fourth Proportional to 213,180.36, 294,187.04 and 117,685.00

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Solution

The fourth proportional to 213,180.36, 294,187.04 and 117,685.00 is: 162,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,180.36 : 294,187.04 = 117,685.00 : x
  2. Step 2: Convert to fraction form
    213,180.36/294,187.04 = 117,685.00/x
  3. Step 3: Cross multiply
    213,180.36x = 294,187.04 × 117,685.00
  4. Step 4: Simplify right side
    213,180.36x = 34,621,402,023.03
  5. Step 5: Solve for x
    x = 34,621,402,023.03/213,180.36
  6. Step 6: Final answer
    x = 162,404.28

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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.