Home / 131,403.75-197,109.27-37,909.50

Finding the Fourth Proportional to 131,403.75, 197,109.27 and 37,909.50

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Solution

The fourth proportional to 131,403.75, 197,109.27 and 37,909.50 is: 56,865.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,403.75 : 197,109.27 = 37,909.50 : x
  2. Step 2: Convert to fraction form
    131,403.75/197,109.27 = 37,909.50/x
  3. Step 3: Cross multiply
    131,403.75x = 197,109.27 × 37,909.50
  4. Step 4: Simplify right side
    131,403.75x = 7,472,313,871.07
  5. Step 5: Solve for x
    x = 7,472,313,871.07/131,403.75
  6. Step 6: Final answer
    x = 56,865.30

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1.5x scale

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.