Home / 133,150.12-183,878.58-104,806.60

Finding the Fourth Proportional to 133,150.12, 183,878.58 and 104,806.60

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Solution

The fourth proportional to 133,150.12, 183,878.58 and 104,806.60 is: 144,736.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,150.12 : 183,878.58 = 104,806.60 : x
  2. Step 2: Convert to fraction form
    133,150.12/183,878.58 = 104,806.60/x
  3. Step 3: Cross multiply
    133,150.12x = 183,878.58 × 104,806.60
  4. Step 4: Simplify right side
    133,150.12x = 19,271,688,782.63
  5. Step 5: Solve for x
    x = 19,271,688,782.63/133,150.12
  6. Step 6: Final answer
    x = 144,736.55

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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.