Home / 155,709.62-214,883.58-95,279.18

Finding the Fourth Proportional to 155,709.62, 214,883.58 and 95,279.18

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Solution

The fourth proportional to 155,709.62, 214,883.58 and 95,279.18 is: 131,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,709.62 : 214,883.58 = 95,279.18 : x
  2. Step 2: Convert to fraction form
    155,709.62/214,883.58 = 95,279.18/x
  3. Step 3: Cross multiply
    155,709.62x = 214,883.58 × 95,279.18
  4. Step 4: Simplify right side
    155,709.62x = 20,473,931,297.86
  5. Step 5: Solve for x
    x = 20,473,931,297.86/155,709.62
  6. Step 6: Final answer
    x = 131,487.90

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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.