Home / 131,427.80-197,222.70-52,533.80

Finding the Fourth Proportional to 131,427.80, 197,222.70 and 52,533.80

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Solution

The fourth proportional to 131,427.80, 197,222.70 and 52,533.80 is: 78,833.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,427.80 : 197,222.70 = 52,533.80 : x
  2. Step 2: Convert to fraction form
    131,427.80/197,222.70 = 52,533.80/x
  3. Step 3: Cross multiply
    131,427.80x = 197,222.70 × 52,533.80
  4. Step 4: Simplify right side
    131,427.80x = 10,360,857,877.26
  5. Step 5: Solve for x
    x = 10,360,857,877.26/131,427.80
  6. Step 6: Final answer
    x = 78,833.08

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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.