Home / 133,957.04-184,740.56-100,047.68

Finding the Fourth Proportional to 133,957.04, 184,740.56 and 100,047.68

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Solution

The fourth proportional to 133,957.04, 184,740.56 and 100,047.68 is: 137,976.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,957.04 : 184,740.56 = 100,047.68 : x
  2. Step 2: Convert to fraction form
    133,957.04/184,740.56 = 100,047.68/x
  3. Step 3: Cross multiply
    133,957.04x = 184,740.56 × 100,047.68
  4. Step 4: Simplify right side
    133,957.04x = 18,482,864,429.90
  5. Step 5: Solve for x
    x = 18,482,864,429.90/133,957.04
  6. Step 6: Final answer
    x = 137,976.06

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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.