Home / 121,462.08-182,212.44-51,342

Finding the Fourth Proportional to 121,462.08, 182,212.44 and 51,342

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Solution

The fourth proportional to 121,462.08, 182,212.44 and 51,342 is: 77,021.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,462.08 : 182,212.44 = 51,342 : x
  2. Step 2: Convert to fraction form
    121,462.08/182,212.44 = 51,342/x
  3. Step 3: Cross multiply
    121,462.08x = 182,212.44 × 51,342
  4. Step 4: Simplify right side
    121,462.08x = 9,355,151,094.48
  5. Step 5: Solve for x
    x = 9,355,151,094.48/121,462.08
  6. Step 6: Final answer
    x = 77,021.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.