Home / 78,098.36-117,024.84-60,372.44

Finding the Fourth Proportional to 78,098.36, 117,024.84 and 60,372.44

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Solution

The fourth proportional to 78,098.36, 117,024.84 and 60,372.44 is: 90,463.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,098.36 : 117,024.84 = 60,372.44 : x
  2. Step 2: Convert to fraction form
    78,098.36/117,024.84 = 60,372.44/x
  3. Step 3: Cross multiply
    78,098.36x = 117,024.84 × 60,372.44
  4. Step 4: Simplify right side
    78,098.36x = 7,065,075,131.41
  5. Step 5: Solve for x
    x = 7,065,075,131.41/78,098.36
  6. Step 6: Final answer
    x = 90,463.81

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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.