Home / 218,940.77-302,137.39-118,338.77

Finding the Fourth Proportional to 218,940.77, 302,137.39 and 118,338.77

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Solution

The fourth proportional to 218,940.77, 302,137.39 and 118,338.77 is: 163,307.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,940.77 : 302,137.39 = 118,338.77 : x
  2. Step 2: Convert to fraction form
    218,940.77/302,137.39 = 118,338.77/x
  3. Step 3: Cross multiply
    218,940.77x = 302,137.39 × 118,338.77
  4. Step 4: Simplify right side
    218,940.77x = 35,754,568,006.88
  5. Step 5: Solve for x
    x = 35,754,568,006.88/218,940.77
  6. Step 6: Final answer
    x = 163,307.03

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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.