Home / 133,384.32-184,127.04-83,108.16

Finding the Fourth Proportional to 133,384.32, 184,127.04 and 83,108.16

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Solution

The fourth proportional to 133,384.32, 184,127.04 and 83,108.16 is: 114,724.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,384.32 : 184,127.04 = 83,108.16 : x
  2. Step 2: Convert to fraction form
    133,384.32/184,127.04 = 83,108.16/x
  3. Step 3: Cross multiply
    133,384.32x = 184,127.04 × 83,108.16
  4. Step 4: Simplify right side
    133,384.32x = 15,302,459,500.65
  5. Step 5: Solve for x
    x = 15,302,459,500.65/133,384.32
  6. Step 6: Final answer
    x = 114,724.58

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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.