Home / 131,237.06-196,886.95-42,490.67

Finding the Fourth Proportional to 131,237.06, 196,886.95 and 42,490.67

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Solution

The fourth proportional to 131,237.06, 196,886.95 and 42,490.67 is: 63,746.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,237.06 : 196,886.95 = 42,490.67 : x
  2. Step 2: Convert to fraction form
    131,237.06/196,886.95 = 42,490.67/x
  3. Step 3: Cross multiply
    131,237.06x = 196,886.95 × 42,490.67
  4. Step 4: Simplify right side
    131,237.06x = 8,365,857,435.32
  5. Step 5: Solve for x
    x = 8,365,857,435.32/131,237.06
  6. Step 6: Final answer
    x = 63,746.15

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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.