Home / 135,035.98-186,346.38-74,612.41

Finding the Fourth Proportional to 135,035.98, 186,346.38 and 74,612.41

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Solution

The fourth proportional to 135,035.98, 186,346.38 and 74,612.41 is: 102,963.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,035.98 : 186,346.38 = 74,612.41 : x
  2. Step 2: Convert to fraction form
    135,035.98/186,346.38 = 74,612.41/x
  3. Step 3: Cross multiply
    135,035.98x = 186,346.38 × 74,612.41
  4. Step 4: Simplify right side
    135,035.98x = 13,903,752,506.58
  5. Step 5: Solve for x
    x = 13,903,752,506.58/135,035.98
  6. Step 6: Final answer
    x = 102,963.32

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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.