Home / 137,330.98-189,501.09-76,893.22

Finding the Fourth Proportional to 137,330.98, 189,501.09 and 76,893.22

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Solution

The fourth proportional to 137,330.98, 189,501.09 and 76,893.22 is: 106,103.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,330.98 : 189,501.09 = 76,893.22 : x
  2. Step 2: Convert to fraction form
    137,330.98/189,501.09 = 76,893.22/x
  3. Step 3: Cross multiply
    137,330.98x = 189,501.09 × 76,893.22
  4. Step 4: Simplify right side
    137,330.98x = 14,571,349,003.61
  5. Step 5: Solve for x
    x = 14,571,349,003.61/137,330.98
  6. Step 6: Final answer
    x = 106,103.87

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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.