Home / 169,030.89-253,586.34-55,178.10

Finding the Fourth Proportional to 169,030.89, 253,586.34 and 55,178.10

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Solution

The fourth proportional to 169,030.89, 253,586.34 and 55,178.10 is: 82,780.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,030.89 : 253,586.34 = 55,178.10 : x
  2. Step 2: Convert to fraction form
    169,030.89/253,586.34 = 55,178.10/x
  3. Step 3: Cross multiply
    169,030.89x = 253,586.34 × 55,178.10
  4. Step 4: Simplify right side
    169,030.89x = 13,992,412,427.15
  5. Step 5: Solve for x
    x = 13,992,412,427.15/169,030.89
  6. Step 6: Final answer
    x = 82,780.21

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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.