Home / 137,957.13-190,385.33-77,539.41

Finding the Fourth Proportional to 137,957.13, 190,385.33 and 77,539.41

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Solution

The fourth proportional to 137,957.13, 190,385.33 and 77,539.41 is: 107,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,957.13 : 190,385.33 = 77,539.41 : x
  2. Step 2: Convert to fraction form
    137,957.13/190,385.33 = 77,539.41/x
  3. Step 3: Cross multiply
    137,957.13x = 190,385.33 × 77,539.41
  4. Step 4: Simplify right side
    137,957.13x = 14,762,365,773.16
  5. Step 5: Solve for x
    x = 14,762,365,773.16/137,957.13
  6. Step 6: Final answer
    x = 107,006.91

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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.