Home / 153,339.09-229,935.87-53,487.15

Finding the Fourth Proportional to 153,339.09, 229,935.87 and 53,487.15

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Solution

The fourth proportional to 153,339.09, 229,935.87 and 53,487.15 is: 80,205.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,339.09 : 229,935.87 = 53,487.15 : x
  2. Step 2: Convert to fraction form
    153,339.09/229,935.87 = 53,487.15/x
  3. Step 3: Cross multiply
    153,339.09x = 229,935.87 × 53,487.15
  4. Step 4: Simplify right side
    153,339.09x = 12,298,614,369.07
  5. Step 5: Solve for x
    x = 12,298,614,369.07/153,339.09
  6. Step 6: Final answer
    x = 80,205.34

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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.