Home / 105,887.34-159,592.10-91,272.64

Finding the Fourth Proportional to 105,887.34, 159,592.10 and 91,272.64

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Solution

The fourth proportional to 105,887.34, 159,592.10 and 91,272.64 is: 137,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,887.34 : 159,592.10 = 91,272.64 : x
  2. Step 2: Convert to fraction form
    105,887.34/159,592.10 = 91,272.64/x
  3. Step 3: Cross multiply
    105,887.34x = 159,592.10 × 91,272.64
  4. Step 4: Simplify right side
    105,887.34x = 14,566,392,290.14
  5. Step 5: Solve for x
    x = 14,566,392,290.14/105,887.34
  6. Step 6: Final answer
    x = 137,565.00

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.