Home / 105,316.52-157,999.82-34,239.47

Finding the Fourth Proportional to 105,316.52, 157,999.82 and 34,239.47

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Solution

The fourth proportional to 105,316.52, 157,999.82 and 34,239.47 is: 51,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,316.52 : 157,999.82 = 34,239.47 : x
  2. Step 2: Convert to fraction form
    105,316.52/157,999.82 = 34,239.47/x
  3. Step 3: Cross multiply
    105,316.52x = 157,999.82 × 34,239.47
  4. Step 4: Simplify right side
    105,316.52x = 5,409,829,392.49
  5. Step 5: Solve for x
    x = 5,409,829,392.49/105,316.52
  6. Step 6: Final answer
    x = 51,367.34

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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.