Home / 133,246.70-183,821.38-79,500.47

Finding the Fourth Proportional to 133,246.70, 183,821.38 and 79,500.47

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Solution

The fourth proportional to 133,246.70, 183,821.38 and 79,500.47 is: 109,675.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,246.70 : 183,821.38 = 79,500.47 : x
  2. Step 2: Convert to fraction form
    133,246.70/183,821.38 = 79,500.47/x
  3. Step 3: Cross multiply
    133,246.70x = 183,821.38 × 79,500.47
  4. Step 4: Simplify right side
    133,246.70x = 14,613,885,186.94
  5. Step 5: Solve for x
    x = 14,613,885,186.94/133,246.70
  6. Step 6: Final answer
    x = 109,675.40

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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.