Home / 170,012.78-234,667.05-113,424.02

Finding the Fourth Proportional to 170,012.78, 234,667.05 and 113,424.02

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Solution

The fourth proportional to 170,012.78, 234,667.05 and 113,424.02 is: 156,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,012.78 : 234,667.05 = 113,424.02 : x
  2. Step 2: Convert to fraction form
    170,012.78/234,667.05 = 113,424.02/x
  3. Step 3: Cross multiply
    170,012.78x = 234,667.05 × 113,424.02
  4. Step 4: Simplify right side
    170,012.78x = 26,616,880,172.54
  5. Step 5: Solve for x
    x = 26,616,880,172.54/170,012.78
  6. Step 6: Final answer
    x = 156,558.11

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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.