Home / 153,080.45-229,624.99-42,272.45

Finding the Fourth Proportional to 153,080.45, 229,624.99 and 42,272.45

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Solution

The fourth proportional to 153,080.45, 229,624.99 and 42,272.45 is: 63,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,080.45 : 229,624.99 = 42,272.45 : x
  2. Step 2: Convert to fraction form
    153,080.45/229,624.99 = 42,272.45/x
  3. Step 3: Cross multiply
    153,080.45x = 229,624.99 × 42,272.45
  4. Step 4: Simplify right side
    153,080.45x = 9,706,809,654.72
  5. Step 5: Solve for x
    x = 9,706,809,654.72/153,080.45
  6. Step 6: Final answer
    x = 63,409.86

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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.