Home / 98,010.48-135,330.64-75,313.70

Finding the Fourth Proportional to 98,010.48, 135,330.64 and 75,313.70

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Solution

The fourth proportional to 98,010.48, 135,330.64 and 75,313.70 is: 103,991.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,010.48 : 135,330.64 = 75,313.70 : x
  2. Step 2: Convert to fraction form
    98,010.48/135,330.64 = 75,313.70/x
  3. Step 3: Cross multiply
    98,010.48x = 135,330.64 × 75,313.70
  4. Step 4: Simplify right side
    98,010.48x = 10,192,251,221.77
  5. Step 5: Solve for x
    x = 10,192,251,221.77/98,010.48
  6. Step 6: Final answer
    x = 103,991.44

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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.