Home / 135,111.16-202,597.88-45,121.51

Finding the Fourth Proportional to 135,111.16, 202,597.88 and 45,121.51

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Solution

The fourth proportional to 135,111.16, 202,597.88 and 45,121.51 is: 67,659.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,111.16 : 202,597.88 = 45,121.51 : x
  2. Step 2: Convert to fraction form
    135,111.16/202,597.88 = 45,121.51/x
  3. Step 3: Cross multiply
    135,111.16x = 202,597.88 × 45,121.51
  4. Step 4: Simplify right side
    135,111.16x = 9,141,521,537.14
  5. Step 5: Solve for x
    x = 9,141,521,537.14/135,111.16
  6. Step 6: Final answer
    x = 67,659.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.