Home / 134,364.88-185,441.64-77,026.96

Finding the Fourth Proportional to 134,364.88, 185,441.64 and 77,026.96

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Solution

The fourth proportional to 134,364.88, 185,441.64 and 77,026.96 is: 106,307.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,364.88 : 185,441.64 = 77,026.96 : x
  2. Step 2: Convert to fraction form
    134,364.88/185,441.64 = 77,026.96/x
  3. Step 3: Cross multiply
    134,364.88x = 185,441.64 × 77,026.96
  4. Step 4: Simplify right side
    134,364.88x = 14,284,005,786.61
  5. Step 5: Solve for x
    x = 14,284,005,786.61/134,364.88
  6. Step 6: Final answer
    x = 106,307.58

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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.