Home / 126,614.47-189,851.59-51,787.16

Finding the Fourth Proportional to 126,614.47, 189,851.59 and 51,787.16

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Solution

The fourth proportional to 126,614.47, 189,851.59 and 51,787.16 is: 77,652.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,614.47 : 189,851.59 = 51,787.16 : x
  2. Step 2: Convert to fraction form
    126,614.47/189,851.59 = 51,787.16/x
  3. Step 3: Cross multiply
    126,614.47x = 189,851.59 × 51,787.16
  4. Step 4: Simplify right side
    126,614.47x = 9,831,874,408.65
  5. Step 5: Solve for x
    x = 9,831,874,408.65/126,614.47
  6. Step 6: Final answer
    x = 77,652.06

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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.