Home / 230,069.70-345,036.45-103,636.86

Finding the Fourth Proportional to 230,069.70, 345,036.45 and 103,636.86

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Solution

The fourth proportional to 230,069.70, 345,036.45 and 103,636.86 is: 155,424.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,069.70 : 345,036.45 = 103,636.86 : x
  2. Step 2: Convert to fraction form
    230,069.70/345,036.45 = 103,636.86/x
  3. Step 3: Cross multiply
    230,069.70x = 345,036.45 × 103,636.86
  4. Step 4: Simplify right side
    230,069.70x = 35,758,494,263.55
  5. Step 5: Solve for x
    x = 35,758,494,263.55/230,069.70
  6. Step 6: Final answer
    x = 155,424.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.