Home / 161,676.42-223,120.23-90,056.34

Finding the Fourth Proportional to 161,676.42, 223,120.23 and 90,056.34

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Solution

The fourth proportional to 161,676.42, 223,120.23 and 90,056.34 is: 124,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,676.42 : 223,120.23 = 90,056.34 : x
  2. Step 2: Convert to fraction form
    161,676.42/223,120.23 = 90,056.34/x
  3. Step 3: Cross multiply
    161,676.42x = 223,120.23 × 90,056.34
  4. Step 4: Simplify right side
    161,676.42x = 20,093,391,293.76
  5. Step 5: Solve for x
    x = 20,093,391,293.76/161,676.42
  6. Step 6: Final answer
    x = 124,281.52

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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.