Home / 134,962-202,457.70-82,707.28

Finding the Fourth Proportional to 134,962, 202,457.70 and 82,707.28

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Solution

The fourth proportional to 134,962, 202,457.70 and 82,707.28 is: 124,069.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,962 : 202,457.70 = 82,707.28 : x
  2. Step 2: Convert to fraction form
    134,962/202,457.70 = 82,707.28/x
  3. Step 3: Cross multiply
    134,962x = 202,457.70 × 82,707.28
  4. Step 4: Simplify right side
    134,962x = 16,744,725,682.06
  5. Step 5: Solve for x
    x = 16,744,725,682.06/134,962
  6. Step 6: Final answer
    x = 124,069.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.