Home / 122,180.05-183,212.56-47,335.24

Finding the Fourth Proportional to 122,180.05, 183,212.56 and 47,335.24

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Solution

The fourth proportional to 122,180.05, 183,212.56 and 47,335.24 is: 70,980.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,180.05 : 183,212.56 = 47,335.24 : x
  2. Step 2: Convert to fraction form
    122,180.05/183,212.56 = 47,335.24/x
  3. Step 3: Cross multiply
    122,180.05x = 183,212.56 × 47,335.24
  4. Step 4: Simplify right side
    122,180.05x = 8,672,410,498.61
  5. Step 5: Solve for x
    x = 8,672,410,498.61/122,180.05
  6. Step 6: Final answer
    x = 70,980.58

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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.