Home / 251,947.08-347,685.48-138,769.92

Finding the Fourth Proportional to 251,947.08, 347,685.48 and 138,769.92

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Solution

The fourth proportional to 251,947.08, 347,685.48 and 138,769.92 is: 191,501.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,947.08 : 347,685.48 = 138,769.92 : x
  2. Step 2: Convert to fraction form
    251,947.08/347,685.48 = 138,769.92/x
  3. Step 3: Cross multiply
    251,947.08x = 347,685.48 × 138,769.92
  4. Step 4: Simplify right side
    251,947.08x = 48,248,286,244.76
  5. Step 5: Solve for x
    x = 48,248,286,244.76/251,947.08
  6. Step 6: Final answer
    x = 191,501.67

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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.