Home / 131,235.06-196,883.95-42,488.66

Finding the Fourth Proportional to 131,235.06, 196,883.95 and 42,488.66

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Solution

The fourth proportional to 131,235.06, 196,883.95 and 42,488.66 is: 63,743.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.06 : 196,883.95 = 42,488.66 : x
  2. Step 2: Convert to fraction form
    131,235.06/196,883.95 = 42,488.66/x
  3. Step 3: Cross multiply
    131,235.06x = 196,883.95 × 42,488.66
  4. Step 4: Simplify right side
    131,235.06x = 8,365,335,597.00
  5. Step 5: Solve for x
    x = 8,365,335,597.00/131,235.06
  6. Step 6: Final answer
    x = 63,743.15

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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.