Home / 134,984.04-186,279.38-74,556.21

Finding the Fourth Proportional to 134,984.04, 186,279.38 and 74,556.21

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Solution

The fourth proportional to 134,984.04, 186,279.38 and 74,556.21 is: 102,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,984.04 : 186,279.38 = 74,556.21 : x
  2. Step 2: Convert to fraction form
    134,984.04/186,279.38 = 74,556.21/x
  3. Step 3: Cross multiply
    134,984.04x = 186,279.38 × 74,556.21
  4. Step 4: Simplify right side
    134,984.04x = 13,888,284,201.17
  5. Step 5: Solve for x
    x = 13,888,284,201.17/134,984.04
  6. Step 6: Final answer
    x = 102,888.34

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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.