Home / 137,365.84-189,569.04-76,936.32

Finding the Fourth Proportional to 137,365.84, 189,569.04 and 76,936.32

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Solution

The fourth proportional to 137,365.84, 189,569.04 and 76,936.32 is: 106,174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,365.84 : 189,569.04 = 76,936.32 : x
  2. Step 2: Convert to fraction form
    137,365.84/189,569.04 = 76,936.32/x
  3. Step 3: Cross multiply
    137,365.84x = 189,569.04 × 76,936.32
  4. Step 4: Simplify right side
    137,365.84x = 14,584,744,323.53
  5. Step 5: Solve for x
    x = 14,584,744,323.53/137,365.84
  6. Step 6: Final answer
    x = 106,174.46

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1.5x scale

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.