Home / 149,021.64-223,630.94-70,158.42

Finding the Fourth Proportional to 149,021.64, 223,630.94 and 70,158.42

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Solution

The fourth proportional to 149,021.64, 223,630.94 and 70,158.42 is: 105,283.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,021.64 : 223,630.94 = 70,158.42 : x
  2. Step 2: Convert to fraction form
    149,021.64/223,630.94 = 70,158.42/x
  3. Step 3: Cross multiply
    149,021.64x = 223,630.94 × 70,158.42
  4. Step 4: Simplify right side
    149,021.64x = 15,689,593,588.91
  5. Step 5: Solve for x
    x = 15,689,593,588.91/149,021.64
  6. Step 6: Final answer
    x = 105,283.99

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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.