Home / 98,178.10-135,491.46-73,935.65

Finding the Fourth Proportional to 98,178.10, 135,491.46 and 73,935.65

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Solution

The fourth proportional to 98,178.10, 135,491.46 and 73,935.65 is: 102,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,178.10 : 135,491.46 = 73,935.65 : x
  2. Step 2: Convert to fraction form
    98,178.10/135,491.46 = 73,935.65/x
  3. Step 3: Cross multiply
    98,178.10x = 135,491.46 × 73,935.65
  4. Step 4: Simplify right side
    98,178.10x = 10,017,649,164.55
  5. Step 5: Solve for x
    x = 10,017,649,164.55/98,178.10
  6. Step 6: Final answer
    x = 102,035.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.