Home / 153,279.46-211,584.50-115,149.61

Finding the Fourth Proportional to 153,279.46, 211,584.50 and 115,149.61

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Solution

The fourth proportional to 153,279.46, 211,584.50 and 115,149.61 is: 158,950.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,279.46 : 211,584.50 = 115,149.61 : x
  2. Step 2: Convert to fraction form
    153,279.46/211,584.50 = 115,149.61/x
  3. Step 3: Cross multiply
    153,279.46x = 211,584.50 × 115,149.61
  4. Step 4: Simplify right side
    153,279.46x = 24,363,873,722.85
  5. Step 5: Solve for x
    x = 24,363,873,722.85/153,279.46
  6. Step 6: Final answer
    x = 158,950.67

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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.