Home / 120,216.30-180,324.45-58,008.30

Finding the Fourth Proportional to 120,216.30, 180,324.45 and 58,008.30

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Solution

The fourth proportional to 120,216.30, 180,324.45 and 58,008.30 is: 87,012.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,216.30 : 180,324.45 = 58,008.30 : x
  2. Step 2: Convert to fraction form
    120,216.30/180,324.45 = 58,008.30/x
  3. Step 3: Cross multiply
    120,216.30x = 180,324.45 × 58,008.30
  4. Step 4: Simplify right side
    120,216.30x = 10,460,314,792.94
  5. Step 5: Solve for x
    x = 10,460,314,792.94/120,216.30
  6. Step 6: Final answer
    x = 87,012.45

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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.