Home / 136,267.76-204,487.28-52,036.64

Finding the Fourth Proportional to 136,267.76, 204,487.28 and 52,036.64

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Solution

The fourth proportional to 136,267.76, 204,487.28 and 52,036.64 is: 78,087.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,267.76 : 204,487.28 = 52,036.64 : x
  2. Step 2: Convert to fraction form
    136,267.76/204,487.28 = 52,036.64/x
  3. Step 3: Cross multiply
    136,267.76x = 204,487.28 × 52,036.64
  4. Step 4: Simplify right side
    136,267.76x = 10,640,830,973.94
  5. Step 5: Solve for x
    x = 10,640,830,973.94/136,267.76
  6. Step 6: Final answer
    x = 78,087.66

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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.