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Finding the Fourth Proportional to 136,248.54, 205,652.52 and 136,248.54

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Solution

The fourth proportional to 136,248.54, 205,652.52 and 136,248.54 is: 205,652.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,248.54 : 205,652.52 = 136,248.54 : x
  2. Step 2: Convert to fraction form
    136,248.54/205,652.52 = 136,248.54/x
  3. Step 3: Cross multiply
    136,248.54x = 205,652.52 × 136,248.54
  4. Step 4: Simplify right side
    136,248.54x = 28,019,855,597.32
  5. Step 5: Solve for x
    x = 28,019,855,597.32/136,248.54
  6. Step 6: Final answer
    x = 205,652.52

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.