Home / 112,505.40-168,758.26-45,945.53

Finding the Fourth Proportional to 112,505.40, 168,758.26 and 45,945.53

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Solution

The fourth proportional to 112,505.40, 168,758.26 and 45,945.53 is: 68,918.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,505.40 : 168,758.26 = 45,945.53 : x
  2. Step 2: Convert to fraction form
    112,505.40/168,758.26 = 45,945.53/x
  3. Step 3: Cross multiply
    112,505.40x = 168,758.26 × 45,945.53
  4. Step 4: Simplify right side
    112,505.40x = 7,753,687,457.91
  5. Step 5: Solve for x
    x = 7,753,687,457.91/112,505.40
  6. Step 6: Final answer
    x = 68,918.36

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1.5x scale

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.