Home / 161,945.01-223,484.13-90,325.08

Finding the Fourth Proportional to 161,945.01, 223,484.13 and 90,325.08

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Solution

The fourth proportional to 161,945.01, 223,484.13 and 90,325.08 is: 124,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,945.01 : 223,484.13 = 90,325.08 : x
  2. Step 2: Convert to fraction form
    161,945.01/223,484.13 = 90,325.08/x
  3. Step 3: Cross multiply
    161,945.01x = 223,484.13 × 90,325.08
  4. Step 4: Simplify right side
    161,945.01x = 20,186,221,920.98
  5. Step 5: Solve for x
    x = 20,186,221,920.98/161,945.01
  6. Step 6: Final answer
    x = 124,648.62

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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.