Home / 98,414.02-135,808.38-55,395.90

Finding the Fourth Proportional to 98,414.02, 135,808.38 and 55,395.90

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Solution

The fourth proportional to 98,414.02, 135,808.38 and 55,395.90 is: 76,444.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,414.02 : 135,808.38 = 55,395.90 : x
  2. Step 2: Convert to fraction form
    98,414.02/135,808.38 = 55,395.90/x
  3. Step 3: Cross multiply
    98,414.02x = 135,808.38 × 55,395.90
  4. Step 4: Simplify right side
    98,414.02x = 7,523,227,437.64
  5. Step 5: Solve for x
    x = 7,523,227,437.64/98,414.02
  6. Step 6: Final answer
    x = 76,444.67

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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.