Home / 74,014.07-102,136.88-42,193.22

Finding the Fourth Proportional to 74,014.07, 102,136.88 and 42,193.22

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Solution

The fourth proportional to 74,014.07, 102,136.88 and 42,193.22 is: 58,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,014.07 : 102,136.88 = 42,193.22 : x
  2. Step 2: Convert to fraction form
    74,014.07/102,136.88 = 42,193.22/x
  3. Step 3: Cross multiply
    74,014.07x = 102,136.88 × 42,193.22
  4. Step 4: Simplify right side
    74,014.07x = 4,309,483,847.95
  5. Step 5: Solve for x
    x = 4,309,483,847.95/74,014.07
  6. Step 6: Final answer
    x = 58,225.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.