Home / 99,299.93-136,922.66-93,001.37

Finding the Fourth Proportional to 99,299.93, 136,922.66 and 93,001.37

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Solution

The fourth proportional to 99,299.93, 136,922.66 and 93,001.37 is: 128,237.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,299.93 : 136,922.66 = 93,001.37 : x
  2. Step 2: Convert to fraction form
    99,299.93/136,922.66 = 93,001.37/x
  3. Step 3: Cross multiply
    99,299.93x = 136,922.66 × 93,001.37
  4. Step 4: Simplify right side
    99,299.93x = 12,733,994,499.04
  5. Step 5: Solve for x
    x = 12,733,994,499.04/99,299.93
  6. Step 6: Final answer
    x = 128,237.70

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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.