Home / 158,703.28-219,014.74-89,787.26

Finding the Fourth Proportional to 158,703.28, 219,014.74 and 89,787.26

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Solution

The fourth proportional to 158,703.28, 219,014.74 and 89,787.26 is: 123,908.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,703.28 : 219,014.74 = 89,787.26 : x
  2. Step 2: Convert to fraction form
    158,703.28/219,014.74 = 89,787.26/x
  3. Step 3: Cross multiply
    158,703.28x = 219,014.74 × 89,787.26
  4. Step 4: Simplify right side
    158,703.28x = 19,664,733,404.21
  5. Step 5: Solve for x
    x = 19,664,733,404.21/158,703.28
  6. Step 6: Final answer
    x = 123,908.80

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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.