Home / 219,157.26-302,434.07-122,362.60

Finding the Fourth Proportional to 219,157.26, 302,434.07 and 122,362.60

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Solution

The fourth proportional to 219,157.26, 302,434.07 and 122,362.60 is: 168,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,157.26 : 302,434.07 = 122,362.60 : x
  2. Step 2: Convert to fraction form
    219,157.26/302,434.07 = 122,362.60/x
  3. Step 3: Cross multiply
    219,157.26x = 302,434.07 × 122,362.60
  4. Step 4: Simplify right side
    219,157.26x = 37,006,619,133.78
  5. Step 5: Solve for x
    x = 37,006,619,133.78/219,157.26
  6. Step 6: Final answer
    x = 168,858.74

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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.