Home / 89,890.70-134,836.06-84,350.30

Finding the Fourth Proportional to 89,890.70, 134,836.06 and 84,350.30

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Solution

The fourth proportional to 89,890.70, 134,836.06 and 84,350.30 is: 126,525.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,890.70 : 134,836.06 = 84,350.30 : x
  2. Step 2: Convert to fraction form
    89,890.70/134,836.06 = 84,350.30/x
  3. Step 3: Cross multiply
    89,890.70x = 134,836.06 × 84,350.30
  4. Step 4: Simplify right side
    89,890.70x = 11,373,462,111.82
  5. Step 5: Solve for x
    x = 11,373,462,111.82/89,890.70
  6. Step 6: Final answer
    x = 126,525.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.