Home / 112,272.80-154,932.58-66,927.40

Finding the Fourth Proportional to 112,272.80, 154,932.58 and 66,927.40

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Solution

The fourth proportional to 112,272.80, 154,932.58 and 66,927.40 is: 92,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,272.80 : 154,932.58 = 66,927.40 : x
  2. Step 2: Convert to fraction form
    112,272.80/154,932.58 = 66,927.40/x
  3. Step 3: Cross multiply
    112,272.80x = 154,932.58 × 66,927.40
  4. Step 4: Simplify right side
    112,272.80x = 10,369,234,754.69
  5. Step 5: Solve for x
    x = 10,369,234,754.69/112,272.80
  6. Step 6: Final answer
    x = 92,357.50

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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.