Home / 98,538.26-135,939.60-60,299.64

Finding the Fourth Proportional to 98,538.26, 135,939.60 and 60,299.64

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Solution

The fourth proportional to 98,538.26, 135,939.60 and 60,299.64 is: 83,187.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,538.26 : 135,939.60 = 60,299.64 : x
  2. Step 2: Convert to fraction form
    98,538.26/135,939.60 = 60,299.64/x
  3. Step 3: Cross multiply
    98,538.26x = 135,939.60 × 60,299.64
  4. Step 4: Simplify right side
    98,538.26x = 8,197,108,941.74
  5. Step 5: Solve for x
    x = 8,197,108,941.74/98,538.26
  6. Step 6: Final answer
    x = 83,187.07

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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.