Home / 121,933.54-168,283.74-74,184.04

Finding the Fourth Proportional to 121,933.54, 168,283.74 and 74,184.04

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Solution

The fourth proportional to 121,933.54, 168,283.74 and 74,184.04 is: 102,383.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,933.54 : 168,283.74 = 74,184.04 : x
  2. Step 2: Convert to fraction form
    121,933.54/168,283.74 = 74,184.04/x
  3. Step 3: Cross multiply
    121,933.54x = 168,283.74 × 74,184.04
  4. Step 4: Simplify right side
    121,933.54x = 12,483,967,699.51
  5. Step 5: Solve for x
    x = 12,483,967,699.51/121,933.54
  6. Step 6: Final answer
    x = 102,383.38

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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.