Home / 187,891.90-259,307.12-103,025.36

Finding the Fourth Proportional to 187,891.90, 259,307.12 and 103,025.36

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Solution

The fourth proportional to 187,891.90, 259,307.12 and 103,025.36 is: 142,183.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,891.90 : 259,307.12 = 103,025.36 : x
  2. Step 2: Convert to fraction form
    187,891.90/259,307.12 = 103,025.36/x
  3. Step 3: Cross multiply
    187,891.90x = 259,307.12 × 103,025.36
  4. Step 4: Simplify right side
    187,891.90x = 26,715,210,294.39
  5. Step 5: Solve for x
    x = 26,715,210,294.39/187,891.90
  6. Step 6: Final answer
    x = 142,183.94

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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.