Home / 144,886.25-199,943.75-84,498.77

Finding the Fourth Proportional to 144,886.25, 199,943.75 and 84,498.77

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Solution

The fourth proportional to 144,886.25, 199,943.75 and 84,498.77 is: 116,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,886.25 : 199,943.75 = 84,498.77 : x
  2. Step 2: Convert to fraction form
    144,886.25/199,943.75 = 84,498.77/x
  3. Step 3: Cross multiply
    144,886.25x = 199,943.75 × 84,498.77
  4. Step 4: Simplify right side
    144,886.25x = 16,895,000,521.69
  5. Step 5: Solve for x
    x = 16,895,000,521.69/144,886.25
  6. Step 6: Final answer
    x = 116,608.72

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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.