Home / 213,073.09-294,030.87-122,365.10

Finding the Fourth Proportional to 213,073.09, 294,030.87 and 122,365.10

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Solution

The fourth proportional to 213,073.09, 294,030.87 and 122,365.10 is: 168,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,073.09 : 294,030.87 = 122,365.10 : x
  2. Step 2: Convert to fraction form
    213,073.09/294,030.87 = 122,365.10/x
  3. Step 3: Cross multiply
    213,073.09x = 294,030.87 × 122,365.10
  4. Step 4: Simplify right side
    213,073.09x = 35,979,116,810.64
  5. Step 5: Solve for x
    x = 35,979,116,810.64/213,073.09
  6. Step 6: Final answer
    x = 168,858.10

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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.