Home / 133,521.41-184,254.92-76,179.29

Finding the Fourth Proportional to 133,521.41, 184,254.92 and 76,179.29

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Solution

The fourth proportional to 133,521.41, 184,254.92 and 76,179.29 is: 105,124.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,521.41 : 184,254.92 = 76,179.29 : x
  2. Step 2: Convert to fraction form
    133,521.41/184,254.92 = 76,179.29/x
  3. Step 3: Cross multiply
    133,521.41x = 184,254.92 × 76,179.29
  4. Step 4: Simplify right side
    133,521.41x = 14,036,407,968.11
  5. Step 5: Solve for x
    x = 14,036,407,968.11/133,521.41
  6. Step 6: Final answer
    x = 105,124.77

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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.