Home / 179,642.40-247,908.28-99,073.20

Finding the Fourth Proportional to 179,642.40, 247,908.28 and 99,073.20

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Solution

The fourth proportional to 179,642.40, 247,908.28 and 99,073.20 is: 136,721.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,642.40 : 247,908.28 = 99,073.20 : x
  2. Step 2: Convert to fraction form
    179,642.40/247,908.28 = 99,073.20/x
  3. Step 3: Cross multiply
    179,642.40x = 247,908.28 × 99,073.20
  4. Step 4: Simplify right side
    179,642.40x = 24,561,066,606.10
  5. Step 5: Solve for x
    x = 24,561,066,606.10/179,642.40
  6. Step 6: Final answer
    x = 136,721.99

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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.