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Finding the Fourth Proportional to 121,537, 182,043.04 and 118,562.68

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Solution

The fourth proportional to 121,537, 182,043.04 and 118,562.68 is: 177,587.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,537 : 182,043.04 = 118,562.68 : x
  2. Step 2: Convert to fraction form
    121,537/182,043.04 = 118,562.68/x
  3. Step 3: Cross multiply
    121,537x = 182,043.04 × 118,562.68
  4. Step 4: Simplify right side
    121,537x = 21,583,510,697.75
  5. Step 5: Solve for x
    x = 21,583,510,697.75/121,537
  6. Step 6: Final answer
    x = 177,587.98

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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.