Home / 161,946.35-223,486.27-90,331.01

Finding the Fourth Proportional to 161,946.35, 223,486.27 and 90,331.01

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Solution

The fourth proportional to 161,946.35, 223,486.27 and 90,331.01 is: 124,656.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,946.35 : 223,486.27 = 90,331.01 : x
  2. Step 2: Convert to fraction form
    161,946.35/223,486.27 = 90,331.01/x
  3. Step 3: Cross multiply
    161,946.35x = 223,486.27 × 90,331.01
  4. Step 4: Simplify right side
    161,946.35x = 20,187,740,823.12
  5. Step 5: Solve for x
    x = 20,187,740,823.12/161,946.35
  6. Step 6: Final answer
    x = 124,656.97

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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.