Home / 163,579.17-225,742.82-99,952.05

Finding the Fourth Proportional to 163,579.17, 225,742.82 and 99,952.05

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Solution

The fourth proportional to 163,579.17, 225,742.82 and 99,952.05 is: 137,936.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,579.17 : 225,742.82 = 99,952.05 : x
  2. Step 2: Convert to fraction form
    163,579.17/225,742.82 = 99,952.05/x
  3. Step 3: Cross multiply
    163,579.17x = 225,742.82 × 99,952.05
  4. Step 4: Simplify right side
    163,579.17x = 22,563,457,132.02
  5. Step 5: Solve for x
    x = 22,563,457,132.02/163,579.17
  6. Step 6: Final answer
    x = 137,936.00

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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.