Home / 156,433.81-215,669.82-124,275.13

Finding the Fourth Proportional to 156,433.81, 215,669.82 and 124,275.13

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Solution

The fourth proportional to 156,433.81, 215,669.82 and 124,275.13 is: 171,333.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,433.81 : 215,669.82 = 124,275.13 : x
  2. Step 2: Convert to fraction form
    156,433.81/215,669.82 = 124,275.13/x
  3. Step 3: Cross multiply
    156,433.81x = 215,669.82 × 124,275.13
  4. Step 4: Simplify right side
    156,433.81x = 26,802,394,917.58
  5. Step 5: Solve for x
    x = 26,802,394,917.58/156,433.81
  6. Step 6: Final answer
    x = 171,333.77

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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.