Home / 133,013.59-183,558.67-76,424.83

Finding the Fourth Proportional to 133,013.59, 183,558.67 and 76,424.83

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Solution

The fourth proportional to 133,013.59, 183,558.67 and 76,424.83 is: 105,466.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.59 : 183,558.67 = 76,424.83 : x
  2. Step 2: Convert to fraction form
    133,013.59/183,558.67 = 76,424.83/x
  3. Step 3: Cross multiply
    133,013.59x = 183,558.67 × 76,424.83
  4. Step 4: Simplify right side
    133,013.59x = 14,028,440,149.78
  5. Step 5: Solve for x
    x = 14,028,440,149.78/133,013.59
  6. Step 6: Final answer
    x = 105,466.22

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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.