Home / 135,957.50-187,617.28-74,703.58

Finding the Fourth Proportional to 135,957.50, 187,617.28 and 74,703.58

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Solution

The fourth proportional to 135,957.50, 187,617.28 and 74,703.58 is: 103,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,957.50 : 187,617.28 = 74,703.58 : x
  2. Step 2: Convert to fraction form
    135,957.50/187,617.28 = 74,703.58/x
  3. Step 3: Cross multiply
    135,957.50x = 187,617.28 × 74,703.58
  4. Step 4: Simplify right side
    135,957.50x = 14,015,682,485.86
  5. Step 5: Solve for x
    x = 14,015,682,485.86/135,957.50
  6. Step 6: Final answer
    x = 103,088.70

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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.