Home / 146,030.34-201,521.87-78,962.34

Finding the Fourth Proportional to 146,030.34, 201,521.87 and 78,962.34

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Solution

The fourth proportional to 146,030.34, 201,521.87 and 78,962.34 is: 108,968.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,030.34 : 201,521.87 = 78,962.34 : x
  2. Step 2: Convert to fraction form
    146,030.34/201,521.87 = 78,962.34/x
  3. Step 3: Cross multiply
    146,030.34x = 201,521.87 × 78,962.34
  4. Step 4: Simplify right side
    146,030.34x = 15,912,639,517.54
  5. Step 5: Solve for x
    x = 15,912,639,517.54/146,030.34
  6. Step 6: Final answer
    x = 108,968.03

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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.