Home / 137,004.43-189,065.32-76,574.97

Finding the Fourth Proportional to 137,004.43, 189,065.32 and 76,574.97

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Solution

The fourth proportional to 137,004.43, 189,065.32 and 76,574.97 is: 105,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,004.43 : 189,065.32 = 76,574.97 : x
  2. Step 2: Convert to fraction form
    137,004.43/189,065.32 = 76,574.97/x
  3. Step 3: Cross multiply
    137,004.43x = 189,065.32 × 76,574.97
  4. Step 4: Simplify right side
    137,004.43x = 14,477,671,207.04
  5. Step 5: Solve for x
    x = 14,477,671,207.04/137,004.43
  6. Step 6: Final answer
    x = 105,673.02

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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.