Home / 134,056.81-184,977.84-77,457.25

Finding the Fourth Proportional to 134,056.81, 184,977.84 and 77,457.25

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Solution

The fourth proportional to 134,056.81, 184,977.84 and 77,457.25 is: 106,879.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,056.81 : 184,977.84 = 77,457.25 : x
  2. Step 2: Convert to fraction form
    134,056.81/184,977.84 = 77,457.25/x
  3. Step 3: Cross multiply
    134,056.81x = 184,977.84 × 77,457.25
  4. Step 4: Simplify right side
    134,056.81x = 14,327,874,797.34
  5. Step 5: Solve for x
    x = 14,327,874,797.34/134,056.81
  6. Step 6: Final answer
    x = 106,879.13

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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.