Home / 91,811.35-137,717.03-91,811.35

Finding the Fourth Proportional to 91,811.35, 137,717.03 and 91,811.35

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Solution

The fourth proportional to 91,811.35, 137,717.03 and 91,811.35 is: 137,717.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,811.35 : 137,717.03 = 91,811.35 : x
  2. Step 2: Convert to fraction form
    91,811.35/137,717.03 = 91,811.35/x
  3. Step 3: Cross multiply
    91,811.35x = 137,717.03 × 91,811.35
  4. Step 4: Simplify right side
    91,811.35x = 12,643,985,983.23
  5. Step 5: Solve for x
    x = 12,643,985,983.23/91,811.35
  6. Step 6: Final answer
    x = 137,717.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.