Home / 103,417.07-155,087.29-36,839.51

Finding the Fourth Proportional to 103,417.07, 155,087.29 and 36,839.51

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Solution

The fourth proportional to 103,417.07, 155,087.29 and 36,839.51 is: 55,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,417.07 : 155,087.29 = 36,839.51 : x
  2. Step 2: Convert to fraction form
    103,417.07/155,087.29 = 36,839.51/x
  3. Step 3: Cross multiply
    103,417.07x = 155,087.29 × 36,839.51
  4. Step 4: Simplify right side
    103,417.07x = 5,713,339,770.83
  5. Step 5: Solve for x
    x = 5,713,339,770.83/103,417.07
  6. Step 6: Final answer
    x = 55,245.62

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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.