Home / 163,455.56-225,047.22-139,486.04

Finding the Fourth Proportional to 163,455.56, 225,047.22 and 139,486.04

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Solution

The fourth proportional to 163,455.56, 225,047.22 and 139,486.04 is: 192,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,455.56 : 225,047.22 = 139,486.04 : x
  2. Step 2: Convert to fraction form
    163,455.56/225,047.22 = 139,486.04/x
  3. Step 3: Cross multiply
    163,455.56x = 225,047.22 × 139,486.04
  4. Step 4: Simplify right side
    163,455.56x = 31,390,945,530.81
  5. Step 5: Solve for x
    x = 31,390,945,530.81/163,455.56
  6. Step 6: Final answer
    x = 192,045.75

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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.