Home / 133,263.16-199,929.37-39,768.91

Finding the Fourth Proportional to 133,263.16, 199,929.37 and 39,768.91

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Solution

The fourth proportional to 133,263.16, 199,929.37 and 39,768.91 is: 59,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,263.16 : 199,929.37 = 39,768.91 : x
  2. Step 2: Convert to fraction form
    133,263.16/199,929.37 = 39,768.91/x
  3. Step 3: Cross multiply
    133,263.16x = 199,929.37 × 39,768.91
  4. Step 4: Simplify right side
    133,263.16x = 7,950,973,121.89
  5. Step 5: Solve for x
    x = 7,950,973,121.89/133,263.16
  6. Step 6: Final answer
    x = 59,663.70

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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.