Home / 123,416.02-185,191.02-52,378.62

Finding the Fourth Proportional to 123,416.02, 185,191.02 and 52,378.62

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Solution

The fourth proportional to 123,416.02, 185,191.02 and 52,378.62 is: 78,596.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,416.02 : 185,191.02 = 52,378.62 : x
  2. Step 2: Convert to fraction form
    123,416.02/185,191.02 = 52,378.62/x
  3. Step 3: Cross multiply
    123,416.02x = 185,191.02 × 52,378.62
  4. Step 4: Simplify right side
    123,416.02x = 9,700,050,063.99
  5. Step 5: Solve for x
    x = 9,700,050,063.99/123,416.02
  6. Step 6: Final answer
    x = 78,596.36

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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.