Home / 117,457.38-162,010.89-74,996.78

Finding the Fourth Proportional to 117,457.38, 162,010.89 and 74,996.78

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Solution

The fourth proportional to 117,457.38, 162,010.89 and 74,996.78 is: 103,444.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,457.38 : 162,010.89 = 74,996.78 : x
  2. Step 2: Convert to fraction form
    117,457.38/162,010.89 = 74,996.78/x
  3. Step 3: Cross multiply
    117,457.38x = 162,010.89 × 74,996.78
  4. Step 4: Simplify right side
    117,457.38x = 12,150,294,264.88
  5. Step 5: Solve for x
    x = 12,150,294,264.88/117,457.38
  6. Step 6: Final answer
    x = 103,444.28

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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.