Home / 121,819.72-182,798.70-47,999.56

Finding the Fourth Proportional to 121,819.72, 182,798.70 and 47,999.56

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Solution

The fourth proportional to 121,819.72, 182,798.70 and 47,999.56 is: 72,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,819.72 : 182,798.70 = 47,999.56 : x
  2. Step 2: Convert to fraction form
    121,819.72/182,798.70 = 47,999.56/x
  3. Step 3: Cross multiply
    121,819.72x = 182,798.70 × 47,999.56
  4. Step 4: Simplify right side
    121,819.72x = 8,774,257,168.57
  5. Step 5: Solve for x
    x = 8,774,257,168.57/121,819.72
  6. Step 6: Final answer
    x = 72,026.57

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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.