Home / 147,625.20-221,437.80-145,164.83

Finding the Fourth Proportional to 147,625.20, 221,437.80 and 145,164.83

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Solution

The fourth proportional to 147,625.20, 221,437.80 and 145,164.83 is: 217,747.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,625.20 : 221,437.80 = 145,164.83 : x
  2. Step 2: Convert to fraction form
    147,625.20/221,437.80 = 145,164.83/x
  3. Step 3: Cross multiply
    147,625.20x = 221,437.80 × 145,164.83
  4. Step 4: Simplify right side
    147,625.20x = 32,144,979,485.39
  5. Step 5: Solve for x
    x = 32,144,979,485.39/147,625.20
  6. Step 6: Final answer
    x = 217,747.24

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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.