Home / 133,888.80-184,891.50-86,225.16

Finding the Fourth Proportional to 133,888.80, 184,891.50 and 86,225.16

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Solution

The fourth proportional to 133,888.80, 184,891.50 and 86,225.16 is: 119,071.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,888.80 : 184,891.50 = 86,225.16 : x
  2. Step 2: Convert to fraction form
    133,888.80/184,891.50 = 86,225.16/x
  3. Step 3: Cross multiply
    133,888.80x = 184,891.50 × 86,225.16
  4. Step 4: Simplify right side
    133,888.80x = 15,942,299,170.14
  5. Step 5: Solve for x
    x = 15,942,299,170.14/133,888.80
  6. Step 6: Final answer
    x = 119,071.19

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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.