Home / 136,029.32-187,260.90-112,118.12

Finding the Fourth Proportional to 136,029.32, 187,260.90 and 112,118.12

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Solution

The fourth proportional to 136,029.32, 187,260.90 and 112,118.12 is: 154,344.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,029.32 : 187,260.90 = 112,118.12 : x
  2. Step 2: Convert to fraction form
    136,029.32/187,260.90 = 112,118.12/x
  3. Step 3: Cross multiply
    136,029.32x = 187,260.90 × 112,118.12
  4. Step 4: Simplify right side
    136,029.32x = 20,995,340,057.51
  5. Step 5: Solve for x
    x = 20,995,340,057.51/136,029.32
  6. Step 6: Final answer
    x = 154,344.23

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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.