Home / 112,267.84-154,862.40-82,016.20

Finding the Fourth Proportional to 112,267.84, 154,862.40 and 82,016.20

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Solution

The fourth proportional to 112,267.84, 154,862.40 and 82,016.20 is: 113,133.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,267.84 : 154,862.40 = 82,016.20 : x
  2. Step 2: Convert to fraction form
    112,267.84/154,862.40 = 82,016.20/x
  3. Step 3: Cross multiply
    112,267.84x = 154,862.40 × 82,016.20
  4. Step 4: Simplify right side
    112,267.84x = 12,701,225,570.88
  5. Step 5: Solve for x
    x = 12,701,225,570.88/112,267.84
  6. Step 6: Final answer
    x = 113,133.25

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1.5x scale

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.