Home / 153,138.07-229,731.61-53,326.63

Finding the Fourth Proportional to 153,138.07, 229,731.61 and 53,326.63

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Solution

The fourth proportional to 153,138.07, 229,731.61 and 53,326.63 is: 79,998.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,138.07 : 229,731.61 = 53,326.63 : x
  2. Step 2: Convert to fraction form
    153,138.07/229,731.61 = 53,326.63/x
  3. Step 3: Cross multiply
    153,138.07x = 229,731.61 × 53,326.63
  4. Step 4: Simplify right side
    153,138.07x = 12,250,811,858.13
  5. Step 5: Solve for x
    x = 12,250,811,858.13/153,138.07
  6. Step 6: Final answer
    x = 79,998.47

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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.