Home / 112,252.80-154,919.76-83,909.28

Finding the Fourth Proportional to 112,252.80, 154,919.76 and 83,909.28

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Solution

The fourth proportional to 112,252.80, 154,919.76 and 83,909.28 is: 115,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,252.80 : 154,919.76 = 83,909.28 : x
  2. Step 2: Convert to fraction form
    112,252.80/154,919.76 = 83,909.28/x
  3. Step 3: Cross multiply
    112,252.80x = 154,919.76 × 83,909.28
  4. Step 4: Simplify right side
    112,252.80x = 12,999,205,519.37
  5. Step 5: Solve for x
    x = 12,999,205,519.37/112,252.80
  6. Step 6: Final answer
    x = 115,802.95

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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.