Home / 142,289.85-196,336.25-84,952.38

Finding the Fourth Proportional to 142,289.85, 196,336.25 and 84,952.38

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Solution

The fourth proportional to 142,289.85, 196,336.25 and 84,952.38 is: 117,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,289.85 : 196,336.25 = 84,952.38 : x
  2. Step 2: Convert to fraction form
    142,289.85/196,336.25 = 84,952.38/x
  3. Step 3: Cross multiply
    142,289.85x = 196,336.25 × 84,952.38
  4. Step 4: Simplify right side
    142,289.85x = 16,679,231,293.01
  5. Step 5: Solve for x
    x = 16,679,231,293.01/142,289.85
  6. Step 6: Final answer
    x = 117,220.11

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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.