Home / 188,516.04-260,155.38-103,636.68

Finding the Fourth Proportional to 188,516.04, 260,155.38 and 103,636.68

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Solution

The fourth proportional to 188,516.04, 260,155.38 and 103,636.68 is: 143,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,516.04 : 260,155.38 = 103,636.68 : x
  2. Step 2: Convert to fraction form
    188,516.04/260,155.38 = 103,636.68/x
  3. Step 3: Cross multiply
    188,516.04x = 260,155.38 × 103,636.68
  4. Step 4: Simplify right side
    188,516.04x = 26,961,639,867.34
  5. Step 5: Solve for x
    x = 26,961,639,867.34/188,516.04
  6. Step 6: Final answer
    x = 143,020.40

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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.