Home / 108,156.48-149,255.64-60,409.92

Finding the Fourth Proportional to 108,156.48, 149,255.64 and 60,409.92

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Solution

The fourth proportional to 108,156.48, 149,255.64 and 60,409.92 is: 83,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,156.48 : 149,255.64 = 60,409.92 : x
  2. Step 2: Convert to fraction form
    108,156.48/149,255.64 = 60,409.92/x
  3. Step 3: Cross multiply
    108,156.48x = 149,255.64 × 60,409.92
  4. Step 4: Simplify right side
    108,156.48x = 9,016,521,271.95
  5. Step 5: Solve for x
    x = 9,016,521,271.95/108,156.48
  6. Step 6: Final answer
    x = 83,365.52

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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.