Home / 316,969.47-475,279.25-130,112.19

Finding the Fourth Proportional to 316,969.47, 475,279.25 and 130,112.19

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Solution

The fourth proportional to 316,969.47, 475,279.25 and 130,112.19 is: 195,096.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,969.47 : 475,279.25 = 130,112.19 : x
  2. Step 2: Convert to fraction form
    316,969.47/475,279.25 = 130,112.19/x
  3. Step 3: Cross multiply
    316,969.47x = 475,279.25 × 130,112.19
  4. Step 4: Simplify right side
    316,969.47x = 61,839,623,428.50
  5. Step 5: Solve for x
    x = 61,839,623,428.50/316,969.47
  6. Step 6: Final answer
    x = 195,096.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.