Home / 146,549.80-219,824.70-87,452.20

Finding the Fourth Proportional to 146,549.80, 219,824.70 and 87,452.20

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Solution

The fourth proportional to 146,549.80, 219,824.70 and 87,452.20 is: 131,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,549.80 : 219,824.70 = 87,452.20 : x
  2. Step 2: Convert to fraction form
    146,549.80/219,824.70 = 87,452.20/x
  3. Step 3: Cross multiply
    146,549.80x = 219,824.70 × 87,452.20
  4. Step 4: Simplify right side
    146,549.80x = 19,224,153,629.34
  5. Step 5: Solve for x
    x = 19,224,153,629.34/146,549.80
  6. Step 6: Final answer
    x = 131,178.30

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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.