Home / 115,752.24-159,744.29-64,761.93

Finding the Fourth Proportional to 115,752.24, 159,744.29 and 64,761.93

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Solution

The fourth proportional to 115,752.24, 159,744.29 and 64,761.93 is: 89,374.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,752.24 : 159,744.29 = 64,761.93 : x
  2. Step 2: Convert to fraction form
    115,752.24/159,744.29 = 64,761.93/x
  3. Step 3: Cross multiply
    115,752.24x = 159,744.29 × 64,761.93
  4. Step 4: Simplify right side
    115,752.24x = 10,345,348,203.07
  5. Step 5: Solve for x
    x = 10,345,348,203.07/115,752.24
  6. Step 6: Final answer
    x = 89,374.93

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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.