Home / 134,383.88-185,457.42-77,032.76

Finding the Fourth Proportional to 134,383.88, 185,457.42 and 77,032.76

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Solution

The fourth proportional to 134,383.88, 185,457.42 and 77,032.76 is: 106,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,383.88 : 185,457.42 = 77,032.76 : x
  2. Step 2: Convert to fraction form
    134,383.88/185,457.42 = 77,032.76/x
  3. Step 3: Cross multiply
    134,383.88x = 185,457.42 × 77,032.76
  4. Step 4: Simplify right side
    134,383.88x = 14,286,296,925.08
  5. Step 5: Solve for x
    x = 14,286,296,925.08/134,383.88
  6. Step 6: Final answer
    x = 106,309.60

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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.