Home / 112,287.66-154,983.03-74,054.13

Finding the Fourth Proportional to 112,287.66, 154,983.03 and 74,054.13

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Solution

The fourth proportional to 112,287.66, 154,983.03 and 74,054.13 is: 102,211.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,287.66 : 154,983.03 = 74,054.13 : x
  2. Step 2: Convert to fraction form
    112,287.66/154,983.03 = 74,054.13/x
  3. Step 3: Cross multiply
    112,287.66x = 154,983.03 × 74,054.13
  4. Step 4: Simplify right side
    112,287.66x = 11,477,133,451.41
  5. Step 5: Solve for x
    x = 11,477,133,451.41/112,287.66
  6. Step 6: Final answer
    x = 102,211.89

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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.