Home / 123,477.70-185,302.95-53,407.30

Finding the Fourth Proportional to 123,477.70, 185,302.95 and 53,407.30

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Solution

The fourth proportional to 123,477.70, 185,302.95 and 53,407.30 is: 80,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,477.70 : 185,302.95 = 53,407.30 : x
  2. Step 2: Convert to fraction form
    123,477.70/185,302.95 = 53,407.30/x
  3. Step 3: Cross multiply
    123,477.70x = 185,302.95 × 53,407.30
  4. Step 4: Simplify right side
    123,477.70x = 9,896,530,241.54
  5. Step 5: Solve for x
    x = 9,896,530,241.54/123,477.70
  6. Step 6: Final answer
    x = 80,148.32

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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.