Home / 145,144.11-200,263.82-84,680.25

Finding the Fourth Proportional to 145,144.11, 200,263.82 and 84,680.25

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Solution

The fourth proportional to 145,144.11, 200,263.82 and 84,680.25 is: 116,838.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,144.11 : 200,263.82 = 84,680.25 : x
  2. Step 2: Convert to fraction form
    145,144.11/200,263.82 = 84,680.25/x
  3. Step 3: Cross multiply
    145,144.11x = 200,263.82 × 84,680.25
  4. Step 4: Simplify right side
    145,144.11x = 16,958,390,343.56
  5. Step 5: Solve for x
    x = 16,958,390,343.56/145,144.11
  6. Step 6: Final answer
    x = 116,838.30

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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.