Home / 115,384.22-159,140.67-72,927.26

Finding the Fourth Proportional to 115,384.22, 159,140.67 and 72,927.26

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Solution

The fourth proportional to 115,384.22, 159,140.67 and 72,927.26 is: 100,583.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,384.22 : 159,140.67 = 72,927.26 : x
  2. Step 2: Convert to fraction form
    115,384.22/159,140.67 = 72,927.26/x
  3. Step 3: Cross multiply
    115,384.22x = 159,140.67 × 72,927.26
  4. Step 4: Simplify right side
    115,384.22x = 11,605,693,017.66
  5. Step 5: Solve for x
    x = 11,605,693,017.66/115,384.22
  6. Step 6: Final answer
    x = 100,583.02

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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.