Home / 135,014.94-186,322.17-74,584.32

Finding the Fourth Proportional to 135,014.94, 186,322.17 and 74,584.32

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Solution

The fourth proportional to 135,014.94, 186,322.17 and 74,584.32 is: 102,927.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,014.94 : 186,322.17 = 74,584.32 : x
  2. Step 2: Convert to fraction form
    135,014.94/186,322.17 = 74,584.32/x
  3. Step 3: Cross multiply
    135,014.94x = 186,322.17 × 74,584.32
  4. Step 4: Simplify right side
    135,014.94x = 13,896,712,350.37
  5. Step 5: Solve for x
    x = 13,896,712,350.37/135,014.94
  6. Step 6: Final answer
    x = 102,927.22

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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.