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Finding the Fourth Proportional to 118,026.40, 176,780.40 and 102,474.40

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Solution

The fourth proportional to 118,026.40, 176,780.40 and 102,474.40 is: 153,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,026.40 : 176,780.40 = 102,474.40 : x
  2. Step 2: Convert to fraction form
    118,026.40/176,780.40 = 102,474.40/x
  3. Step 3: Cross multiply
    118,026.40x = 176,780.40 × 102,474.40
  4. Step 4: Simplify right side
    118,026.40x = 18,115,465,421.76
  5. Step 5: Solve for x
    x = 18,115,465,421.76/118,026.40
  6. Step 6: Final answer
    x = 153,486.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.