Home / 99,407.63-137,183.13-54,085.94

Finding the Fourth Proportional to 99,407.63, 137,183.13 and 54,085.94

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Solution

The fourth proportional to 99,407.63, 137,183.13 and 54,085.94 is: 74,638.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,407.63 : 137,183.13 = 54,085.94 : x
  2. Step 2: Convert to fraction form
    99,407.63/137,183.13 = 54,085.94/x
  3. Step 3: Cross multiply
    99,407.63x = 137,183.13 × 54,085.94
  4. Step 4: Simplify right side
    99,407.63x = 7,419,677,852.28
  5. Step 5: Solve for x
    x = 7,419,677,852.28/99,407.63
  6. Step 6: Final answer
    x = 74,638.92

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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.