Home / 162,021.93-223,601.04-90,403.56

Finding the Fourth Proportional to 162,021.93, 223,601.04 and 90,403.56

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Solution

The fourth proportional to 162,021.93, 223,601.04 and 90,403.56 is: 124,762.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,021.93 : 223,601.04 = 90,403.56 : x
  2. Step 2: Convert to fraction form
    162,021.93/223,601.04 = 90,403.56/x
  3. Step 3: Cross multiply
    162,021.93x = 223,601.04 × 90,403.56
  4. Step 4: Simplify right side
    162,021.93x = 20,214,330,035.70
  5. Step 5: Solve for x
    x = 20,214,330,035.70/162,021.93
  6. Step 6: Final answer
    x = 124,762.93

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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.