Home / 98,405.96-135,655.02-69,636.24

Finding the Fourth Proportional to 98,405.96, 135,655.02 and 69,636.24

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Solution

The fourth proportional to 98,405.96, 135,655.02 and 69,636.24 is: 95,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,405.96 : 135,655.02 = 69,636.24 : x
  2. Step 2: Convert to fraction form
    98,405.96/135,655.02 = 69,636.24/x
  3. Step 3: Cross multiply
    98,405.96x = 135,655.02 × 69,636.24
  4. Step 4: Simplify right side
    98,405.96x = 9,446,505,529.92
  5. Step 5: Solve for x
    x = 9,446,505,529.92/98,405.96
  6. Step 6: Final answer
    x = 95,995.26

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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.