Home / 94,931.51-142,137.88-68,304.11

Finding the Fourth Proportional to 94,931.51, 142,137.88 and 68,304.11

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Solution

The fourth proportional to 94,931.51, 142,137.88 and 68,304.11 is: 102,269.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,931.51 : 142,137.88 = 68,304.11 : x
  2. Step 2: Convert to fraction form
    94,931.51/142,137.88 = 68,304.11/x
  3. Step 3: Cross multiply
    94,931.51x = 142,137.88 × 68,304.11
  4. Step 4: Simplify right side
    94,931.51x = 9,708,601,390.69
  5. Step 5: Solve for x
    x = 9,708,601,390.69/94,931.51
  6. Step 6: Final answer
    x = 102,269.54

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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.