Home / 89,981.60-134,895.60-63,603.36

Finding the Fourth Proportional to 89,981.60, 134,895.60 and 63,603.36

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Solution

The fourth proportional to 89,981.60, 134,895.60 and 63,603.36 is: 95,350.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.60 : 134,895.60 = 63,603.36 : x
  2. Step 2: Convert to fraction form
    89,981.60/134,895.60 = 63,603.36/x
  3. Step 3: Cross multiply
    89,981.60x = 134,895.60 × 63,603.36
  4. Step 4: Simplify right side
    89,981.60x = 8,579,813,409.22
  5. Step 5: Solve for x
    x = 8,579,813,409.22/89,981.60
  6. Step 6: Final answer
    x = 95,350.75

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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.