Home / 91,554.36-137,220.63-38,853.15

Finding the Fourth Proportional to 91,554.36, 137,220.63 and 38,853.15

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Solution

The fourth proportional to 91,554.36, 137,220.63 and 38,853.15 is: 58,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,554.36 : 137,220.63 = 38,853.15 : x
  2. Step 2: Convert to fraction form
    91,554.36/137,220.63 = 38,853.15/x
  3. Step 3: Cross multiply
    91,554.36x = 137,220.63 × 38,853.15
  4. Step 4: Simplify right side
    91,554.36x = 5,331,453,720.48
  5. Step 5: Solve for x
    x = 5,331,453,720.48/91,554.36
  6. Step 6: Final answer
    x = 58,232.66

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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.