Home / 133,390.09-184,083.44-76,038.45

Finding the Fourth Proportional to 133,390.09, 184,083.44 and 76,038.45

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Solution

The fourth proportional to 133,390.09, 184,083.44 and 76,038.45 is: 104,935.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,390.09 : 184,083.44 = 76,038.45 : x
  2. Step 2: Convert to fraction form
    133,390.09/184,083.44 = 76,038.45/x
  3. Step 3: Cross multiply
    133,390.09x = 184,083.44 × 76,038.45
  4. Step 4: Simplify right side
    133,390.09x = 13,997,418,377.76
  5. Step 5: Solve for x
    x = 13,997,418,377.76/133,390.09
  6. Step 6: Final answer
    x = 104,935.97

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1.5x scale

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.