Home / 153,228.69-229,690.53-73,173.07

Finding the Fourth Proportional to 153,228.69, 229,690.53 and 73,173.07

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Solution

The fourth proportional to 153,228.69, 229,690.53 and 73,173.07 is: 109,686.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,228.69 : 229,690.53 = 73,173.07 : x
  2. Step 2: Convert to fraction form
    153,228.69/229,690.53 = 73,173.07/x
  3. Step 3: Cross multiply
    153,228.69x = 229,690.53 × 73,173.07
  4. Step 4: Simplify right side
    153,228.69x = 16,807,161,311.34
  5. Step 5: Solve for x
    x = 16,807,161,311.34/153,228.69
  6. Step 6: Final answer
    x = 109,686.78

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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.