Home / 99,746.57-137,595.81-63,896.18

Finding the Fourth Proportional to 99,746.57, 137,595.81 and 63,896.18

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Solution

The fourth proportional to 99,746.57, 137,595.81 and 63,896.18 is: 88,141.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,746.57 : 137,595.81 = 63,896.18 : x
  2. Step 2: Convert to fraction form
    99,746.57/137,595.81 = 63,896.18/x
  3. Step 3: Cross multiply
    99,746.57x = 137,595.81 × 63,896.18
  4. Step 4: Simplify right side
    99,746.57x = 8,791,846,194.64
  5. Step 5: Solve for x
    x = 8,791,846,194.64/99,746.57
  6. Step 6: Final answer
    x = 88,141.84

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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.