Home / 133,635.65-184,420.13-76,273.81

Finding the Fourth Proportional to 133,635.65, 184,420.13 and 76,273.81

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Solution

The fourth proportional to 133,635.65, 184,420.13 and 76,273.81 is: 105,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,635.65 : 184,420.13 = 76,273.81 : x
  2. Step 2: Convert to fraction form
    133,635.65/184,420.13 = 76,273.81/x
  3. Step 3: Cross multiply
    133,635.65x = 184,420.13 × 76,273.81
  4. Step 4: Simplify right side
    133,635.65x = 14,066,425,113.38
  5. Step 5: Solve for x
    x = 14,066,425,113.38/133,635.65
  6. Step 6: Final answer
    x = 105,259.53

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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.