Home / 99,832.82-137,769.59-54,511.20

Finding the Fourth Proportional to 99,832.82, 137,769.59 and 54,511.20

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Solution

The fourth proportional to 99,832.82, 137,769.59 and 54,511.20 is: 75,225.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,832.82 : 137,769.59 = 54,511.20 : x
  2. Step 2: Convert to fraction form
    99,832.82/137,769.59 = 54,511.20/x
  3. Step 3: Cross multiply
    99,832.82x = 137,769.59 × 54,511.20
  4. Step 4: Simplify right side
    99,832.82x = 7,509,985,674.41
  5. Step 5: Solve for x
    x = 7,509,985,674.41/99,832.82
  6. Step 6: Final answer
    x = 75,225.62

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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.