Home / 135,396.06-186,853.46-74,973.38

Finding the Fourth Proportional to 135,396.06, 186,853.46 and 74,973.38

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Solution

The fourth proportional to 135,396.06, 186,853.46 and 74,973.38 is: 103,467.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,396.06 : 186,853.46 = 74,973.38 : x
  2. Step 2: Convert to fraction form
    135,396.06/186,853.46 = 74,973.38/x
  3. Step 3: Cross multiply
    135,396.06x = 186,853.46 × 74,973.38
  4. Step 4: Simplify right side
    135,396.06x = 14,009,035,460.89
  5. Step 5: Solve for x
    x = 14,009,035,460.89/135,396.06
  6. Step 6: Final answer
    x = 103,467.08

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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.