Home / 112,996-155,934.06-62,009.60

Finding the Fourth Proportional to 112,996, 155,934.06 and 62,009.60

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Solution

The fourth proportional to 112,996, 155,934.06 and 62,009.60 is: 85,573.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,996 : 155,934.06 = 62,009.60 : x
  2. Step 2: Convert to fraction form
    112,996/155,934.06 = 62,009.60/x
  3. Step 3: Cross multiply
    112,996x = 155,934.06 × 62,009.60
  4. Step 4: Simplify right side
    112,996x = 9,669,408,686.98
  5. Step 5: Solve for x
    x = 9,669,408,686.98/112,996
  6. Step 6: Final answer
    x = 85,573.02

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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.