Home / 229,783.81-317,091.45-132,972.31

Finding the Fourth Proportional to 229,783.81, 317,091.45 and 132,972.31

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Solution

The fourth proportional to 229,783.81, 317,091.45 and 132,972.31 is: 183,495.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,783.81 : 317,091.45 = 132,972.31 : x
  2. Step 2: Convert to fraction form
    229,783.81/317,091.45 = 132,972.31/x
  3. Step 3: Cross multiply
    229,783.81x = 317,091.45 × 132,972.31
  4. Step 4: Simplify right side
    229,783.81x = 42,164,382,587.75
  5. Step 5: Solve for x
    x = 42,164,382,587.75/229,783.81
  6. Step 6: Final answer
    x = 183,495.88

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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.