Home / 78,371.35-117,561.47-25,068.00

Finding the Fourth Proportional to 78,371.35, 117,561.47 and 25,068.00

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Solution

The fourth proportional to 78,371.35, 117,561.47 and 25,068.00 is: 37,603.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,371.35 : 117,561.47 = 25,068.00 : x
  2. Step 2: Convert to fraction form
    78,371.35/117,561.47 = 25,068.00/x
  3. Step 3: Cross multiply
    78,371.35x = 117,561.47 × 25,068.00
  4. Step 4: Simplify right side
    78,371.35x = 2,947,031,245.48
  5. Step 5: Solve for x
    x = 2,947,031,245.48/78,371.35
  6. Step 6: Final answer
    x = 37,603.43

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1.5x scale

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.