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Finding the Fourth Proportional to 118,187.40, 177,281.10 and 116,437.80

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Solution

The fourth proportional to 118,187.40, 177,281.10 and 116,437.80 is: 174,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,187.40 : 177,281.10 = 116,437.80 : x
  2. Step 2: Convert to fraction form
    118,187.40/177,281.10 = 116,437.80/x
  3. Step 3: Cross multiply
    118,187.40x = 177,281.10 × 116,437.80
  4. Step 4: Simplify right side
    118,187.40x = 20,642,221,265.58
  5. Step 5: Solve for x
    x = 20,642,221,265.58/118,187.40
  6. Step 6: Final answer
    x = 174,656.70

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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.