Home / 108,828.80-150,193.76-63,503.36

Finding the Fourth Proportional to 108,828.80, 150,193.76 and 63,503.36

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Solution

The fourth proportional to 108,828.80, 150,193.76 and 63,503.36 is: 87,640.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,828.80 : 150,193.76 = 63,503.36 : x
  2. Step 2: Convert to fraction form
    108,828.80/150,193.76 = 63,503.36/x
  3. Step 3: Cross multiply
    108,828.80x = 150,193.76 × 63,503.36
  4. Step 4: Simplify right side
    108,828.80x = 9,537,808,411.03
  5. Step 5: Solve for x
    x = 9,537,808,411.03/108,828.80
  6. Step 6: Final answer
    x = 87,640.48

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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.