Home / 213,904.09-294,973.54-142,287.13

Finding the Fourth Proportional to 213,904.09, 294,973.54 and 142,287.13

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Solution

The fourth proportional to 213,904.09, 294,973.54 and 142,287.13 is: 196,213.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,904.09 : 294,973.54 = 142,287.13 : x
  2. Step 2: Convert to fraction form
    213,904.09/294,973.54 = 142,287.13/x
  3. Step 3: Cross multiply
    213,904.09x = 294,973.54 × 142,287.13
  4. Step 4: Simplify right side
    213,904.09x = 41,970,938,432.54
  5. Step 5: Solve for x
    x = 41,970,938,432.54/213,904.09
  6. Step 6: Final answer
    x = 196,213.82

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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.