Home / 98,216.40-135,539.58-55,775.24

Finding the Fourth Proportional to 98,216.40, 135,539.58 and 55,775.24

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Solution

The fourth proportional to 98,216.40, 135,539.58 and 55,775.24 is: 76,970.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,216.40 : 135,539.58 = 55,775.24 : x
  2. Step 2: Convert to fraction form
    98,216.40/135,539.58 = 55,775.24/x
  3. Step 3: Cross multiply
    98,216.40x = 135,539.58 × 55,775.24
  4. Step 4: Simplify right side
    98,216.40x = 7,559,751,647.43
  5. Step 5: Solve for x
    x = 7,559,751,647.43/98,216.40
  6. Step 6: Final answer
    x = 76,970.36

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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.