Home / 148,064.29-204,328.11-80,081.34

Finding the Fourth Proportional to 148,064.29, 204,328.11 and 80,081.34

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Solution

The fourth proportional to 148,064.29, 204,328.11 and 80,081.34 is: 110,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,064.29 : 204,328.11 = 80,081.34 : x
  2. Step 2: Convert to fraction form
    148,064.29/204,328.11 = 80,081.34/x
  3. Step 3: Cross multiply
    148,064.29x = 204,328.11 × 80,081.34
  4. Step 4: Simplify right side
    148,064.29x = 16,362,868,848.47
  5. Step 5: Solve for x
    x = 16,362,868,848.47/148,064.29
  6. Step 6: Final answer
    x = 110,511.92

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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.