Home / 132,648.45-183,053.73-72,218.94

Finding the Fourth Proportional to 132,648.45, 183,053.73 and 72,218.94

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Solution

The fourth proportional to 132,648.45, 183,053.73 and 72,218.94 is: 99,661.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,648.45 : 183,053.73 = 72,218.94 : x
  2. Step 2: Convert to fraction form
    132,648.45/183,053.73 = 72,218.94/x
  3. Step 3: Cross multiply
    132,648.45x = 183,053.73 × 72,218.94
  4. Step 4: Simplify right side
    132,648.45x = 13,219,946,343.65
  5. Step 5: Solve for x
    x = 13,219,946,343.65/132,648.45
  6. Step 6: Final answer
    x = 99,661.52

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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.