Home / 99,009.14-136,602.75-60,729.35

Finding the Fourth Proportional to 99,009.14, 136,602.75 and 60,729.35

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Solution

The fourth proportional to 99,009.14, 136,602.75 and 60,729.35 is: 83,788.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,009.14 : 136,602.75 = 60,729.35 : x
  2. Step 2: Convert to fraction form
    99,009.14/136,602.75 = 60,729.35/x
  3. Step 3: Cross multiply
    99,009.14x = 136,602.75 × 60,729.35
  4. Step 4: Simplify right side
    99,009.14x = 8,295,795,760.43
  5. Step 5: Solve for x
    x = 8,295,795,760.43/99,009.14
  6. Step 6: Final answer
    x = 83,788.19

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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.