Home / 151,116.96-208,537.02-83,133.90

Finding the Fourth Proportional to 151,116.96, 208,537.02 and 83,133.90

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Solution

The fourth proportional to 151,116.96, 208,537.02 and 83,133.90 is: 114,722.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,116.96 : 208,537.02 = 83,133.90 : x
  2. Step 2: Convert to fraction form
    151,116.96/208,537.02 = 83,133.90/x
  3. Step 3: Cross multiply
    151,116.96x = 208,537.02 × 83,133.90
  4. Step 4: Simplify right side
    151,116.96x = 17,336,495,766.98
  5. Step 5: Solve for x
    x = 17,336,495,766.98/151,116.96
  6. Step 6: Final answer
    x = 114,722.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.