Home / 112,119.08-154,725.54-61,131.39

Finding the Fourth Proportional to 112,119.08, 154,725.54 and 61,131.39

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Solution

The fourth proportional to 112,119.08, 154,725.54 and 61,131.39 is: 84,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,119.08 : 154,725.54 = 61,131.39 : x
  2. Step 2: Convert to fraction form
    112,119.08/154,725.54 = 61,131.39/x
  3. Step 3: Cross multiply
    112,119.08x = 154,725.54 × 61,131.39
  4. Step 4: Simplify right side
    112,119.08x = 9,458,587,328.70
  5. Step 5: Solve for x
    x = 9,458,587,328.70/112,119.08
  6. Step 6: Final answer
    x = 84,361.98

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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.