Home / 109,749.44-151,461.84-61,985.36

Finding the Fourth Proportional to 109,749.44, 151,461.84 and 61,985.36

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Solution

The fourth proportional to 109,749.44, 151,461.84 and 61,985.36 is: 85,544.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,749.44 : 151,461.84 = 61,985.36 : x
  2. Step 2: Convert to fraction form
    109,749.44/151,461.84 = 61,985.36/x
  3. Step 3: Cross multiply
    109,749.44x = 151,461.84 × 61,985.36
  4. Step 4: Simplify right side
    109,749.44x = 9,388,416,678.66
  5. Step 5: Solve for x
    x = 9,388,416,678.66/109,749.44
  6. Step 6: Final answer
    x = 85,544.10

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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.