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Finding the Fourth Proportional to 98,152.40, 147,382.20 and 56,680.40

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Solution

The fourth proportional to 98,152.40, 147,382.20 and 56,680.40 is: 85,109.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,152.40 : 147,382.20 = 56,680.40 : x
  2. Step 2: Convert to fraction form
    98,152.40/147,382.20 = 56,680.40/x
  3. Step 3: Cross multiply
    98,152.40x = 147,382.20 × 56,680.40
  4. Step 4: Simplify right side
    98,152.40x = 8,353,682,048.88
  5. Step 5: Solve for x
    x = 8,353,682,048.88/98,152.40
  6. Step 6: Final answer
    x = 85,109.30

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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.