Home / 98,213.46-135,535.53-55,772.30

Finding the Fourth Proportional to 98,213.46, 135,535.53 and 55,772.30

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Solution

The fourth proportional to 98,213.46, 135,535.53 and 55,772.30 is: 76,966.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,213.46 : 135,535.53 = 55,772.30 : x
  2. Step 2: Convert to fraction form
    98,213.46/135,535.53 = 55,772.30/x
  3. Step 3: Cross multiply
    98,213.46x = 135,535.53 × 55,772.30
  4. Step 4: Simplify right side
    98,213.46x = 7,559,127,562.14
  5. Step 5: Solve for x
    x = 7,559,127,562.14/98,213.46
  6. Step 6: Final answer
    x = 76,966.31

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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.