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Finding the Fourth Proportional to 115,369.74, 159,282.32 and 88,460.53

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Solution

The fourth proportional to 115,369.74, 159,282.32 and 88,460.53 is: 122,130.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,369.74 : 159,282.32 = 88,460.53 : x
  2. Step 2: Convert to fraction form
    115,369.74/159,282.32 = 88,460.53/x
  3. Step 3: Cross multiply
    115,369.74x = 159,282.32 × 88,460.53
  4. Step 4: Simplify right side
    115,369.74x = 14,090,197,606.32
  5. Step 5: Solve for x
    x = 14,090,197,606.32/115,369.74
  6. Step 6: Final answer
    x = 122,130.79

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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.