Home / 109,688.29-164,498.41-39,558.49

Finding the Fourth Proportional to 109,688.29, 164,498.41 and 39,558.49

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Solution

The fourth proportional to 109,688.29, 164,498.41 and 39,558.49 is: 59,325.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,688.29 : 164,498.41 = 39,558.49 : x
  2. Step 2: Convert to fraction form
    109,688.29/164,498.41 = 39,558.49/x
  3. Step 3: Cross multiply
    109,688.29x = 164,498.41 × 39,558.49
  4. Step 4: Simplify right side
    109,688.29x = 6,507,308,707.00
  5. Step 5: Solve for x
    x = 6,507,308,707.00/109,688.29
  6. Step 6: Final answer
    x = 59,325.46

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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.