Home / 153,019.57-229,511.07-40,708

Finding the Fourth Proportional to 153,019.57, 229,511.07 and 40,708

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Solution

The fourth proportional to 153,019.57, 229,511.07 and 40,708 is: 61,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,019.57 : 229,511.07 = 40,708 : x
  2. Step 2: Convert to fraction form
    153,019.57/229,511.07 = 40,708/x
  3. Step 3: Cross multiply
    153,019.57x = 229,511.07 × 40,708
  4. Step 4: Simplify right side
    153,019.57x = 9,342,936,637.56
  5. Step 5: Solve for x
    x = 9,342,936,637.56/153,019.57
  6. Step 6: Final answer
    x = 61,057.14

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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.