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Finding the Fourth Proportional to 145,347.43, 200,596.08 and 80,823.10

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Solution

The fourth proportional to 145,347.43, 200,596.08 and 80,823.10 is: 111,545.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,347.43 : 200,596.08 = 80,823.10 : x
  2. Step 2: Convert to fraction form
    145,347.43/200,596.08 = 80,823.10/x
  3. Step 3: Cross multiply
    145,347.43x = 200,596.08 × 80,823.10
  4. Step 4: Simplify right side
    145,347.43x = 16,212,797,033.45
  5. Step 5: Solve for x
    x = 16,212,797,033.45/145,347.43
  6. Step 6: Final answer
    x = 111,545.12

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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.