Home / 99,286.25-137,015.03-54,574.25

Finding the Fourth Proportional to 99,286.25, 137,015.03 and 54,574.25

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Solution

The fourth proportional to 99,286.25, 137,015.03 and 54,574.25 is: 75,312.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,286.25 : 137,015.03 = 54,574.25 : x
  2. Step 2: Convert to fraction form
    99,286.25/137,015.03 = 54,574.25/x
  3. Step 3: Cross multiply
    99,286.25x = 137,015.03 × 54,574.25
  4. Step 4: Simplify right side
    99,286.25x = 7,477,492,228.11
  5. Step 5: Solve for x
    x = 7,477,492,228.11/99,286.25
  6. Step 6: Final answer
    x = 75,312.47

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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.