Home / 99,327.97-148,056.26-91,356.35

Finding the Fourth Proportional to 99,327.97, 148,056.26 and 91,356.35

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Solution

The fourth proportional to 99,327.97, 148,056.26 and 91,356.35 is: 136,173.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,327.97 : 148,056.26 = 91,356.35 : x
  2. Step 2: Convert to fraction form
    99,327.97/148,056.26 = 91,356.35/x
  3. Step 3: Cross multiply
    99,327.97x = 148,056.26 × 91,356.35
  4. Step 4: Simplify right side
    99,327.97x = 13,525,879,870.51
  5. Step 5: Solve for x
    x = 13,525,879,870.51/99,327.97
  6. Step 6: Final answer
    x = 136,173.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.