Home / 147,342.56-221,168.43-130,582.80

Finding the Fourth Proportional to 147,342.56, 221,168.43 and 130,582.80

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Solution

The fourth proportional to 147,342.56, 221,168.43 and 130,582.80 is: 196,011.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,342.56 : 221,168.43 = 130,582.80 : x
  2. Step 2: Convert to fraction form
    147,342.56/221,168.43 = 130,582.80/x
  3. Step 3: Cross multiply
    147,342.56x = 221,168.43 × 130,582.80
  4. Step 4: Simplify right side
    147,342.56x = 28,880,792,861.00
  5. Step 5: Solve for x
    x = 28,880,792,861.00/147,342.56
  6. Step 6: Final answer
    x = 196,011.21

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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.