Home / 144,972-200,061.72-84,584.16

Finding the Fourth Proportional to 144,972, 200,061.72 and 84,584.16

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Solution

The fourth proportional to 144,972, 200,061.72 and 84,584.16 is: 116,726.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,972 : 200,061.72 = 84,584.16 : x
  2. Step 2: Convert to fraction form
    144,972/200,061.72 = 84,584.16/x
  3. Step 3: Cross multiply
    144,972x = 200,061.72 × 84,584.16
  4. Step 4: Simplify right side
    144,972x = 16,922,052,534.36
  5. Step 5: Solve for x
    x = 16,922,052,534.36/144,972
  6. Step 6: Final answer
    x = 116,726.35

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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.