Home / 115,425.30-159,259.86-70,102.02

Finding the Fourth Proportional to 115,425.30, 159,259.86 and 70,102.02

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Solution

The fourth proportional to 115,425.30, 159,259.86 and 70,102.02 is: 96,724.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,425.30 : 159,259.86 = 70,102.02 : x
  2. Step 2: Convert to fraction form
    115,425.30/159,259.86 = 70,102.02/x
  3. Step 3: Cross multiply
    115,425.30x = 159,259.86 × 70,102.02
  4. Step 4: Simplify right side
    115,425.30x = 11,164,437,890.92
  5. Step 5: Solve for x
    x = 11,164,437,890.92/115,425.30
  6. Step 6: Final answer
    x = 96,724.36

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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.