Home / 153,145.69-229,726.73-47,972.86

Finding the Fourth Proportional to 153,145.69, 229,726.73 and 47,972.86

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Solution

The fourth proportional to 153,145.69, 229,726.73 and 47,972.86 is: 71,961.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,145.69 : 229,726.73 = 47,972.86 : x
  2. Step 2: Convert to fraction form
    153,145.69/229,726.73 = 47,972.86/x
  3. Step 3: Cross multiply
    153,145.69x = 229,726.73 × 47,972.86
  4. Step 4: Simplify right side
    153,145.69x = 11,020,647,802.16
  5. Step 5: Solve for x
    x = 11,020,647,802.16/153,145.69
  6. Step 6: Final answer
    x = 71,961.86

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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.