Home / 98,359.20-147,368.70-45,660.60

Finding the Fourth Proportional to 98,359.20, 147,368.70 and 45,660.60

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Solution

The fourth proportional to 98,359.20, 147,368.70 and 45,660.60 is: 68,411.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,359.20 : 147,368.70 = 45,660.60 : x
  2. Step 2: Convert to fraction form
    98,359.20/147,368.70 = 45,660.60/x
  3. Step 3: Cross multiply
    98,359.20x = 147,368.70 × 45,660.60
  4. Step 4: Simplify right side
    98,359.20x = 6,728,943,263.22
  5. Step 5: Solve for x
    x = 6,728,943,263.22/98,359.20
  6. Step 6: Final answer
    x = 68,411.94

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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.