Home / 161,826.90-223,316.48-90,205.38

Finding the Fourth Proportional to 161,826.90, 223,316.48 and 90,205.38

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Solution

The fourth proportional to 161,826.90, 223,316.48 and 90,205.38 is: 124,480.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,826.90 : 223,316.48 = 90,205.38 : x
  2. Step 2: Convert to fraction form
    161,826.90/223,316.48 = 90,205.38/x
  3. Step 3: Cross multiply
    161,826.90x = 223,316.48 × 90,205.38
  4. Step 4: Simplify right side
    161,826.90x = 20,144,347,938.66
  5. Step 5: Solve for x
    x = 20,144,347,938.66/161,826.90
  6. Step 6: Final answer
    x = 124,480.84

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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.