Home / 124,138.94-186,097.64-103,250.34

Finding the Fourth Proportional to 124,138.94, 186,097.64 and 103,250.34

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Solution

The fourth proportional to 124,138.94, 186,097.64 and 103,250.34 is: 154,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,138.94 : 186,097.64 = 103,250.34 : x
  2. Step 2: Convert to fraction form
    124,138.94/186,097.64 = 103,250.34/x
  3. Step 3: Cross multiply
    124,138.94x = 186,097.64 × 103,250.34
  4. Step 4: Simplify right side
    124,138.94x = 19,214,644,603.20
  5. Step 5: Solve for x
    x = 19,214,644,603.20/124,138.94
  6. Step 6: Final answer
    x = 154,783.38

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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.