Home / 209,376.68-289,235.76-162,237.92

Finding the Fourth Proportional to 209,376.68, 289,235.76 and 162,237.92

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Solution

The fourth proportional to 209,376.68, 289,235.76 and 162,237.92 is: 224,117.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,376.68 : 289,235.76 = 162,237.92 : x
  2. Step 2: Convert to fraction form
    209,376.68/289,235.76 = 162,237.92/x
  3. Step 3: Cross multiply
    209,376.68x = 289,235.76 × 162,237.92
  4. Step 4: Simplify right side
    209,376.68x = 46,925,008,092.02
  5. Step 5: Solve for x
    x = 46,925,008,092.02/209,376.68
  6. Step 6: Final answer
    x = 224,117.64

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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.