Home / 153,143.79-229,726.62-40,823.43

Finding the Fourth Proportional to 153,143.79, 229,726.62 and 40,823.43

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Solution

The fourth proportional to 153,143.79, 229,726.62 and 40,823.43 is: 61,238.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,143.79 : 229,726.62 = 40,823.43 : x
  2. Step 2: Convert to fraction form
    153,143.79/229,726.62 = 40,823.43/x
  3. Step 3: Cross multiply
    153,143.79x = 229,726.62 × 40,823.43
  4. Step 4: Simplify right side
    153,143.79x = 9,378,228,590.71
  5. Step 5: Solve for x
    x = 9,378,228,590.71/153,143.79
  6. Step 6: Final answer
    x = 61,238.06

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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.