Home / 112,282.44-154,949.86-61,981.40

Finding the Fourth Proportional to 112,282.44, 154,949.86 and 61,981.40

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Solution

The fourth proportional to 112,282.44, 154,949.86 and 61,981.40 is: 85,534.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,282.44 : 154,949.86 = 61,981.40 : x
  2. Step 2: Convert to fraction form
    112,282.44/154,949.86 = 61,981.40/x
  3. Step 3: Cross multiply
    112,282.44x = 154,949.86 × 61,981.40
  4. Step 4: Simplify right side
    112,282.44x = 9,604,009,252.60
  5. Step 5: Solve for x
    x = 9,604,009,252.60/112,282.44
  6. Step 6: Final answer
    x = 85,534.38

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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.