Home / 115,270.08-159,077.16-64,968

Finding the Fourth Proportional to 115,270.08, 159,077.16 and 64,968

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Solution

The fourth proportional to 115,270.08, 159,077.16 and 64,968 is: 89,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,270.08 : 159,077.16 = 64,968 : x
  2. Step 2: Convert to fraction form
    115,270.08/159,077.16 = 64,968/x
  3. Step 3: Cross multiply
    115,270.08x = 159,077.16 × 64,968
  4. Step 4: Simplify right side
    115,270.08x = 10,334,924,930.88
  5. Step 5: Solve for x
    x = 10,334,924,930.88/115,270.08
  6. Step 6: Final answer
    x = 89,658.35

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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.