Home / 208,923.36-313,400.16-103,636.32

Finding the Fourth Proportional to 208,923.36, 313,400.16 and 103,636.32

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Solution

The fourth proportional to 208,923.36, 313,400.16 and 103,636.32 is: 155,461.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,923.36 : 313,400.16 = 103,636.32 : x
  2. Step 2: Convert to fraction form
    208,923.36/313,400.16 = 103,636.32/x
  3. Step 3: Cross multiply
    208,923.36x = 313,400.16 × 103,636.32
  4. Step 4: Simplify right side
    208,923.36x = 32,479,639,269.81
  5. Step 5: Solve for x
    x = 32,479,639,269.81/208,923.36
  6. Step 6: Final answer
    x = 155,461.98

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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.