Home / 133,095.92-183,664.50-76,507.36

Finding the Fourth Proportional to 133,095.92, 183,664.50 and 76,507.36

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Solution

The fourth proportional to 133,095.92, 183,664.50 and 76,507.36 is: 105,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,095.92 : 183,664.50 = 76,507.36 : x
  2. Step 2: Convert to fraction form
    133,095.92/183,664.50 = 76,507.36/x
  3. Step 3: Cross multiply
    133,095.92x = 183,664.50 × 76,507.36
  4. Step 4: Simplify right side
    133,095.92x = 14,051,686,020.72
  5. Step 5: Solve for x
    x = 14,051,686,020.72/133,095.92
  6. Step 6: Final answer
    x = 105,575.63

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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.