Home / 155,143.92-214,121.76-94,749.30

Finding the Fourth Proportional to 155,143.92, 214,121.76 and 94,749.30

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Solution

The fourth proportional to 155,143.92, 214,121.76 and 94,749.30 is: 130,768.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,143.92 : 214,121.76 = 94,749.30 : x
  2. Step 2: Convert to fraction form
    155,143.92/214,121.76 = 94,749.30/x
  3. Step 3: Cross multiply
    155,143.92x = 214,121.76 × 94,749.30
  4. Step 4: Simplify right side
    155,143.92x = 20,287,886,874.77
  5. Step 5: Solve for x
    x = 20,287,886,874.77/155,143.92
  6. Step 6: Final answer
    x = 130,768.17

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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.