Home / 147,393.43-221,136.88-52,621.58

Finding the Fourth Proportional to 147,393.43, 221,136.88 and 52,621.58

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Solution

The fourth proportional to 147,393.43, 221,136.88 and 52,621.58 is: 78,949.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,393.43 : 221,136.88 = 52,621.58 : x
  2. Step 2: Convert to fraction form
    147,393.43/221,136.88 = 52,621.58/x
  3. Step 3: Cross multiply
    147,393.43x = 221,136.88 × 52,621.58
  4. Step 4: Simplify right side
    147,393.43x = 11,636,570,653.08
  5. Step 5: Solve for x
    x = 11,636,570,653.08/147,393.43
  6. Step 6: Final answer
    x = 78,949.05

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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.