Home / 91,809.11-137,702.73-25,256.00

Finding the Fourth Proportional to 91,809.11, 137,702.73 and 25,256.00

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Solution

The fourth proportional to 91,809.11, 137,702.73 and 25,256.00 is: 37,881.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,809.11 : 137,702.73 = 25,256.00 : x
  2. Step 2: Convert to fraction form
    91,809.11/137,702.73 = 25,256.00/x
  3. Step 3: Cross multiply
    91,809.11x = 137,702.73 × 25,256.00
  4. Step 4: Simplify right side
    91,809.11x = 3,477,820,587.85
  5. Step 5: Solve for x
    x = 3,477,820,587.85/91,809.11
  6. Step 6: Final answer
    x = 37,881.00

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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.