Home / 210,200.66-290,086.36-118,351.57

Finding the Fourth Proportional to 210,200.66, 290,086.36 and 118,351.57

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Solution

The fourth proportional to 210,200.66, 290,086.36 and 118,351.57 is: 163,330.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,200.66 : 290,086.36 = 118,351.57 : x
  2. Step 2: Convert to fraction form
    210,200.66/290,086.36 = 118,351.57/x
  3. Step 3: Cross multiply
    210,200.66x = 290,086.36 × 118,351.57
  4. Step 4: Simplify right side
    210,200.66x = 34,332,177,146.00
  5. Step 5: Solve for x
    x = 34,332,177,146.00/210,200.66
  6. Step 6: Final answer
    x = 163,330.49

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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.