Home / 88,746.06-122,261.40-61,839.72

Finding the Fourth Proportional to 88,746.06, 122,261.40 and 61,839.72

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Solution

The fourth proportional to 88,746.06, 122,261.40 and 61,839.72 is: 85,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,746.06 : 122,261.40 = 61,839.72 : x
  2. Step 2: Convert to fraction form
    88,746.06/122,261.40 = 61,839.72/x
  3. Step 3: Cross multiply
    88,746.06x = 122,261.40 × 61,839.72
  4. Step 4: Simplify right side
    88,746.06x = 7,560,610,742.81
  5. Step 5: Solve for x
    x = 7,560,610,742.81/88,746.06
  6. Step 6: Final answer
    x = 85,193.76

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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.