Home / 108,037.81-149,091.33-62,720.01

Finding the Fourth Proportional to 108,037.81, 149,091.33 and 62,720.01

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Solution

The fourth proportional to 108,037.81, 149,091.33 and 62,720.01 is: 86,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,037.81 : 149,091.33 = 62,720.01 : x
  2. Step 2: Convert to fraction form
    108,037.81/149,091.33 = 62,720.01/x
  3. Step 3: Cross multiply
    108,037.81x = 149,091.33 × 62,720.01
  4. Step 4: Simplify right side
    108,037.81x = 9,351,009,178.98
  5. Step 5: Solve for x
    x = 9,351,009,178.98/108,037.81
  6. Step 6: Final answer
    x = 86,553.11

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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.