Home / 133,141.68-183,691.26-87,842.16

Finding the Fourth Proportional to 133,141.68, 183,691.26 and 87,842.16

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Solution

The fourth proportional to 133,141.68, 183,691.26 and 87,842.16 is: 121,192.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,141.68 : 183,691.26 = 87,842.16 : x
  2. Step 2: Convert to fraction form
    133,141.68/183,691.26 = 87,842.16/x
  3. Step 3: Cross multiply
    133,141.68x = 183,691.26 × 87,842.16
  4. Step 4: Simplify right side
    133,141.68x = 16,135,837,051.52
  5. Step 5: Solve for x
    x = 16,135,837,051.52/133,141.68
  6. Step 6: Final answer
    x = 121,192.98

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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.