Home / 245,622.25-338,955.23-138,192.03

Finding the Fourth Proportional to 245,622.25, 338,955.23 and 138,192.03

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Solution

The fourth proportional to 245,622.25, 338,955.23 and 138,192.03 is: 190,703.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,622.25 : 338,955.23 = 138,192.03 : x
  2. Step 2: Convert to fraction form
    245,622.25/338,955.23 = 138,192.03/x
  3. Step 3: Cross multiply
    245,622.25x = 338,955.23 × 138,192.03
  4. Step 4: Simplify right side
    245,622.25x = 46,840,909,618.04
  5. Step 5: Solve for x
    x = 46,840,909,618.04/245,622.25
  6. Step 6: Final answer
    x = 190,703.04

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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.