Home / 136,402.98-204,603.66-52,143.54

Finding the Fourth Proportional to 136,402.98, 204,603.66 and 52,143.54

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Solution

The fourth proportional to 136,402.98, 204,603.66 and 52,143.54 is: 78,215.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,402.98 : 204,603.66 = 52,143.54 : x
  2. Step 2: Convert to fraction form
    136,402.98/204,603.66 = 52,143.54/x
  3. Step 3: Cross multiply
    136,402.98x = 204,603.66 × 52,143.54
  4. Step 4: Simplify right side
    136,402.98x = 10,668,759,129.36
  5. Step 5: Solve for x
    x = 10,668,759,129.36/136,402.98
  6. Step 6: Final answer
    x = 78,215.00

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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.