Home / 188,735.07-260,461.58-108,178.14

Finding the Fourth Proportional to 188,735.07, 260,461.58 and 108,178.14

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Solution

The fourth proportional to 188,735.07, 260,461.58 and 108,178.14 is: 149,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,735.07 : 260,461.58 = 108,178.14 : x
  2. Step 2: Convert to fraction form
    188,735.07/260,461.58 = 108,178.14/x
  3. Step 3: Cross multiply
    188,735.07x = 260,461.58 × 108,178.14
  4. Step 4: Simplify right side
    188,735.07x = 28,176,249,265.86
  5. Step 5: Solve for x
    x = 28,176,249,265.86/188,735.07
  6. Step 6: Final answer
    x = 149,289.95

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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.