Home / 135,364.03-186,804.56-74,109.18

Finding the Fourth Proportional to 135,364.03, 186,804.56 and 74,109.18

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Solution

The fourth proportional to 135,364.03, 186,804.56 and 74,109.18 is: 102,271.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,364.03 : 186,804.56 = 74,109.18 : x
  2. Step 2: Convert to fraction form
    135,364.03/186,804.56 = 74,109.18/x
  3. Step 3: Cross multiply
    135,364.03x = 186,804.56 × 74,109.18
  4. Step 4: Simplify right side
    135,364.03x = 13,843,933,176.52
  5. Step 5: Solve for x
    x = 13,843,933,176.52/135,364.03
  6. Step 6: Final answer
    x = 102,271.88

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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.