Home / 134,349.70-185,429.10-77,027.53

Finding the Fourth Proportional to 134,349.70, 185,429.10 and 77,027.53

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Solution

The fourth proportional to 134,349.70, 185,429.10 and 77,027.53 is: 106,313.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,349.70 : 185,429.10 = 77,027.53 : x
  2. Step 2: Convert to fraction form
    134,349.70/185,429.10 = 77,027.53/x
  3. Step 3: Cross multiply
    134,349.70x = 185,429.10 × 77,027.53
  4. Step 4: Simplify right side
    134,349.70x = 14,283,145,563.12
  5. Step 5: Solve for x
    x = 14,283,145,563.12/134,349.70
  6. Step 6: Final answer
    x = 106,313.19

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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.