Home / 115,297.58-159,184.67-72,335.94

Finding the Fourth Proportional to 115,297.58, 159,184.67 and 72,335.94

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Solution

The fourth proportional to 115,297.58, 159,184.67 and 72,335.94 is: 99,870.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,297.58 : 159,184.67 = 72,335.94 : x
  2. Step 2: Convert to fraction form
    115,297.58/159,184.67 = 72,335.94/x
  3. Step 3: Cross multiply
    115,297.58x = 159,184.67 × 72,335.94
  4. Step 4: Simplify right side
    115,297.58x = 11,514,772,376.36
  5. Step 5: Solve for x
    x = 11,514,772,376.36/115,297.58
  6. Step 6: Final answer
    x = 99,870.03

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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.