Home / 99,934.46-137,896.27-64,172.92

Finding the Fourth Proportional to 99,934.46, 137,896.27 and 64,172.92

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Solution

The fourth proportional to 99,934.46, 137,896.27 and 64,172.92 is: 88,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,934.46 : 137,896.27 = 64,172.92 : x
  2. Step 2: Convert to fraction form
    99,934.46/137,896.27 = 64,172.92/x
  3. Step 3: Cross multiply
    99,934.46x = 137,896.27 × 64,172.92
  4. Step 4: Simplify right side
    99,934.46x = 8,849,206,303.01
  5. Step 5: Solve for x
    x = 8,849,206,303.01/99,934.46
  6. Step 6: Final answer
    x = 88,550.10

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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.