Home / 132,645.48-183,048.06-72,217.32

Finding the Fourth Proportional to 132,645.48, 183,048.06 and 72,217.32

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Solution

The fourth proportional to 132,645.48, 183,048.06 and 72,217.32 is: 99,658.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,645.48 : 183,048.06 = 72,217.32 : x
  2. Step 2: Convert to fraction form
    132,645.48/183,048.06 = 72,217.32/x
  3. Step 3: Cross multiply
    132,645.48x = 183,048.06 × 72,217.32
  4. Step 4: Simplify right side
    132,645.48x = 13,219,240,324.40
  5. Step 5: Solve for x
    x = 13,219,240,324.40/132,645.48
  6. Step 6: Final answer
    x = 99,658.43

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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.