Home / 217,147.83-299,680.61-125,283.57

Finding the Fourth Proportional to 217,147.83, 299,680.61 and 125,283.57

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Solution

The fourth proportional to 217,147.83, 299,680.61 and 125,283.57 is: 172,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,147.83 : 299,680.61 = 125,283.57 : x
  2. Step 2: Convert to fraction form
    217,147.83/299,680.61 = 125,283.57/x
  3. Step 3: Cross multiply
    217,147.83x = 299,680.61 × 125,283.57
  4. Step 4: Simplify right side
    217,147.83x = 37,545,056,054.16
  5. Step 5: Solve for x
    x = 37,545,056,054.16/217,147.83
  6. Step 6: Final answer
    x = 172,900.90

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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.