Home / 144,726.24-199,728.36-84,287.16

Finding the Fourth Proportional to 144,726.24, 199,728.36 and 84,287.16

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Solution

The fourth proportional to 144,726.24, 199,728.36 and 84,287.16 is: 116,319.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,726.24 : 199,728.36 = 84,287.16 : x
  2. Step 2: Convert to fraction form
    144,726.24/199,728.36 = 84,287.16/x
  3. Step 3: Cross multiply
    144,726.24x = 199,728.36 × 84,287.16
  4. Step 4: Simplify right side
    144,726.24x = 16,834,536,235.86
  5. Step 5: Solve for x
    x = 16,834,536,235.86/144,726.24
  6. Step 6: Final answer
    x = 116,319.86

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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.