Home / 112,072.20-154,659.70-63,674.20

Finding the Fourth Proportional to 112,072.20, 154,659.70 and 63,674.20

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Solution

The fourth proportional to 112,072.20, 154,659.70 and 63,674.20 is: 87,870.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,072.20 : 154,659.70 = 63,674.20 : x
  2. Step 2: Convert to fraction form
    112,072.20/154,659.70 = 63,674.20/x
  3. Step 3: Cross multiply
    112,072.20x = 154,659.70 × 63,674.20
  4. Step 4: Simplify right side
    112,072.20x = 9,847,832,669.74
  5. Step 5: Solve for x
    x = 9,847,832,669.74/112,072.20
  6. Step 6: Final answer
    x = 87,870.43

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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.