Home / 166,093.09-229,208.40-90,641.59

Finding the Fourth Proportional to 166,093.09, 229,208.40 and 90,641.59

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Solution

The fourth proportional to 166,093.09, 229,208.40 and 90,641.59 is: 125,085.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,093.09 : 229,208.40 = 90,641.59 : x
  2. Step 2: Convert to fraction form
    166,093.09/229,208.40 = 90,641.59/x
  3. Step 3: Cross multiply
    166,093.09x = 229,208.40 × 90,641.59
  4. Step 4: Simplify right side
    166,093.09x = 20,775,812,218.11
  5. Step 5: Solve for x
    x = 20,775,812,218.11/166,093.09
  6. Step 6: Final answer
    x = 125,085.35

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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.