Home / 99,155.24-136,887.54-76,444.46

Finding the Fourth Proportional to 99,155.24, 136,887.54 and 76,444.46

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Solution

The fourth proportional to 99,155.24, 136,887.54 and 76,444.46 is: 105,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,155.24 : 136,887.54 = 76,444.46 : x
  2. Step 2: Convert to fraction form
    99,155.24/136,887.54 = 76,444.46/x
  3. Step 3: Cross multiply
    99,155.24x = 136,887.54 × 76,444.46
  4. Step 4: Simplify right side
    99,155.24x = 10,464,294,076.03
  5. Step 5: Solve for x
    x = 10,464,294,076.03/99,155.24
  6. Step 6: Final answer
    x = 105,534.45

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