Home / 213,769.04-294,955.32-128,884.28

Finding the Fourth Proportional to 213,769.04, 294,955.32 and 128,884.28

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Solution

The fourth proportional to 213,769.04, 294,955.32 and 128,884.28 is: 177,832.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,769.04 : 294,955.32 = 128,884.28 : x
  2. Step 2: Convert to fraction form
    213,769.04/294,955.32 = 128,884.28/x
  3. Step 3: Cross multiply
    213,769.04x = 294,955.32 × 128,884.28
  4. Step 4: Simplify right side
    213,769.04x = 38,015,104,050.37
  5. Step 5: Solve for x
    x = 38,015,104,050.37/213,769.04
  6. Step 6: Final answer
    x = 177,832.60

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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.