Home / 135,284.27-186,692.51-74,857.46

Finding the Fourth Proportional to 135,284.27, 186,692.51 and 74,857.46

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Solution

The fourth proportional to 135,284.27, 186,692.51 and 74,857.46 is: 103,303.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,284.27 : 186,692.51 = 74,857.46 : x
  2. Step 2: Convert to fraction form
    135,284.27/186,692.51 = 74,857.46/x
  3. Step 3: Cross multiply
    135,284.27x = 186,692.51 × 74,857.46
  4. Step 4: Simplify right side
    135,284.27x = 13,975,326,562.57
  5. Step 5: Solve for x
    x = 13,975,326,562.57/135,284.27
  6. Step 6: Final answer
    x = 103,303.41

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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.