Home / 158,727.84-237,975-75,680.16

Finding the Fourth Proportional to 158,727.84, 237,975 and 75,680.16

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Solution

The fourth proportional to 158,727.84, 237,975 and 75,680.16 is: 113,464.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,727.84 : 237,975 = 75,680.16 : x
  2. Step 2: Convert to fraction form
    158,727.84/237,975 = 75,680.16/x
  3. Step 3: Cross multiply
    158,727.84x = 237,975 × 75,680.16
  4. Step 4: Simplify right side
    158,727.84x = 18,009,986,076
  5. Step 5: Solve for x
    x = 18,009,986,076/158,727.84
  6. Step 6: Final answer
    x = 113,464.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.