Home / 74,228.36-111,225.76-57,402.56

Finding the Fourth Proportional to 74,228.36, 111,225.76 and 57,402.56

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Solution

The fourth proportional to 74,228.36, 111,225.76 and 57,402.56 is: 86,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,228.36 : 111,225.76 = 57,402.56 : x
  2. Step 2: Convert to fraction form
    74,228.36/111,225.76 = 57,402.56/x
  3. Step 3: Cross multiply
    74,228.36x = 111,225.76 × 57,402.56
  4. Step 4: Simplify right side
    74,228.36x = 6,384,643,496.50
  5. Step 5: Solve for x
    x = 6,384,643,496.50/74,228.36
  6. Step 6: Final answer
    x = 86,013.54

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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.