Home / 146,715.30-220,145.85-57,971.70

Finding the Fourth Proportional to 146,715.30, 220,145.85 and 57,971.70

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Solution

The fourth proportional to 146,715.30, 220,145.85 and 57,971.70 is: 86,986.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,715.30 : 220,145.85 = 57,971.70 : x
  2. Step 2: Convert to fraction form
    146,715.30/220,145.85 = 57,971.70/x
  3. Step 3: Cross multiply
    146,715.30x = 220,145.85 × 57,971.70
  4. Step 4: Simplify right side
    146,715.30x = 12,762,229,172.45
  5. Step 5: Solve for x
    x = 12,762,229,172.45/146,715.30
  6. Step 6: Final answer
    x = 86,986.36

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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.