Home / 131,220.48-196,861.95-42,473.98

Finding the Fourth Proportional to 131,220.48, 196,861.95 and 42,473.98

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Solution

The fourth proportional to 131,220.48, 196,861.95 and 42,473.98 is: 63,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220.48 : 196,861.95 = 42,473.98 : x
  2. Step 2: Convert to fraction form
    131,220.48/196,861.95 = 42,473.98/x
  3. Step 3: Cross multiply
    131,220.48x = 196,861.95 × 42,473.98
  4. Step 4: Simplify right side
    131,220.48x = 8,361,509,542.75
  5. Step 5: Solve for x
    x = 8,361,509,542.75/131,220.48
  6. Step 6: Final answer
    x = 63,721.07

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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.