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Finding the Fourth Proportional to 150,583.95, 207,804.12 and 86,920.38

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Solution

The fourth proportional to 150,583.95, 207,804.12 and 86,920.38 is: 119,949.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,583.95 : 207,804.12 = 86,920.38 : x
  2. Step 2: Convert to fraction form
    150,583.95/207,804.12 = 86,920.38/x
  3. Step 3: Cross multiply
    150,583.95x = 207,804.12 × 86,920.38
  4. Step 4: Simplify right side
    150,583.95x = 18,062,413,075.97
  5. Step 5: Solve for x
    x = 18,062,413,075.97/150,583.95
  6. Step 6: Final answer
    x = 119,949.13

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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.