Home / 146,030.85-201,522.57-78,962.85

Finding the Fourth Proportional to 146,030.85, 201,522.57 and 78,962.85

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Solution

The fourth proportional to 146,030.85, 201,522.57 and 78,962.85 is: 108,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,030.85 : 201,522.57 = 78,962.85 : x
  2. Step 2: Convert to fraction form
    146,030.85/201,522.57 = 78,962.85/x
  3. Step 3: Cross multiply
    146,030.85x = 201,522.57 × 78,962.85
  4. Step 4: Simplify right side
    146,030.85x = 15,912,795,064.10
  5. Step 5: Solve for x
    x = 15,912,795,064.10/146,030.85
  6. Step 6: Final answer
    x = 108,968.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.