Home / 115,935.40-173,643.90-89,554.60

Finding the Fourth Proportional to 115,935.40, 173,643.90 and 89,554.60

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Solution

The fourth proportional to 115,935.40, 173,643.90 and 89,554.60 is: 134,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,935.40 : 173,643.90 = 89,554.60 : x
  2. Step 2: Convert to fraction form
    115,935.40/173,643.90 = 89,554.60/x
  3. Step 3: Cross multiply
    115,935.40x = 173,643.90 × 89,554.60
  4. Step 4: Simplify right side
    115,935.40x = 15,550,610,006.94
  5. Step 5: Solve for x
    x = 15,550,610,006.94/115,935.40
  6. Step 6: Final answer
    x = 134,131.68

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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.