Home / 102,529.32-141,579.48-64,355.04

Finding the Fourth Proportional to 102,529.32, 141,579.48 and 64,355.04

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Solution

The fourth proportional to 102,529.32, 141,579.48 and 64,355.04 is: 88,865.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,529.32 : 141,579.48 = 64,355.04 : x
  2. Step 2: Convert to fraction form
    102,529.32/141,579.48 = 64,355.04/x
  3. Step 3: Cross multiply
    102,529.32x = 141,579.48 × 64,355.04
  4. Step 4: Simplify right side
    102,529.32x = 9,111,353,098.58
  5. Step 5: Solve for x
    x = 9,111,353,098.58/102,529.32
  6. Step 6: Final answer
    x = 88,865.83

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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.