Home / 134,203.51-185,126.94-85,055.23

Finding the Fourth Proportional to 134,203.51, 185,126.94 and 85,055.23

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Solution

The fourth proportional to 134,203.51, 185,126.94 and 85,055.23 is: 117,329.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,203.51 : 185,126.94 = 85,055.23 : x
  2. Step 2: Convert to fraction form
    134,203.51/185,126.94 = 85,055.23/x
  3. Step 3: Cross multiply
    134,203.51x = 185,126.94 × 85,055.23
  4. Step 4: Simplify right side
    134,203.51x = 15,746,014,692.30
  5. Step 5: Solve for x
    x = 15,746,014,692.30/134,203.51
  6. Step 6: Final answer
    x = 117,329.38

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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.