Home / 135,216.27-186,591.13-74,783.39

Finding the Fourth Proportional to 135,216.27, 186,591.13 and 74,783.39

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Solution

The fourth proportional to 135,216.27, 186,591.13 and 74,783.39 is: 103,197.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,216.27 : 186,591.13 = 74,783.39 : x
  2. Step 2: Convert to fraction form
    135,216.27/186,591.13 = 74,783.39/x
  3. Step 3: Cross multiply
    135,216.27x = 186,591.13 × 74,783.39
  4. Step 4: Simplify right side
    135,216.27x = 13,953,916,125.42
  5. Step 5: Solve for x
    x = 13,953,916,125.42/135,216.27
  6. Step 6: Final answer
    x = 103,197.02

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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.