Home / 103,087.32-154,647.78-36,513.01

Finding the Fourth Proportional to 103,087.32, 154,647.78 and 36,513.01

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Solution

The fourth proportional to 103,087.32, 154,647.78 and 36,513.01 is: 54,775.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,087.32 : 154,647.78 = 36,513.01 : x
  2. Step 2: Convert to fraction form
    103,087.32/154,647.78 = 36,513.01/x
  3. Step 3: Cross multiply
    103,087.32x = 154,647.78 × 36,513.01
  4. Step 4: Simplify right side
    103,087.32x = 5,646,655,937.62
  5. Step 5: Solve for x
    x = 5,646,655,937.62/103,087.32
  6. Step 6: Final answer
    x = 54,775.47

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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.