Home / 108,124.30-149,211.75-60,377.50

Finding the Fourth Proportional to 108,124.30, 149,211.75 and 60,377.50

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Solution

The fourth proportional to 108,124.30, 149,211.75 and 60,377.50 is: 83,321.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,124.30 : 149,211.75 = 60,377.50 : x
  2. Step 2: Convert to fraction form
    108,124.30/149,211.75 = 60,377.50/x
  3. Step 3: Cross multiply
    108,124.30x = 149,211.75 × 60,377.50
  4. Step 4: Simplify right side
    108,124.30x = 9,009,032,435.63
  5. Step 5: Solve for x
    x = 9,009,032,435.63/108,124.30
  6. Step 6: Final answer
    x = 83,321.07

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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.