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Finding the Fourth Proportional to 118,210.70, 177,316.05 and 48,140.30

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Solution

The fourth proportional to 118,210.70, 177,316.05 and 48,140.30 is: 72,210.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,210.70 : 177,316.05 = 48,140.30 : x
  2. Step 2: Convert to fraction form
    118,210.70/177,316.05 = 48,140.30/x
  3. Step 3: Cross multiply
    118,210.70x = 177,316.05 × 48,140.30
  4. Step 4: Simplify right side
    118,210.70x = 8,536,047,841.82
  5. Step 5: Solve for x
    x = 8,536,047,841.82/118,210.70
  6. Step 6: Final answer
    x = 72,210.45

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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.