Home / 77,154.02-115,739.23-24,551.20

Finding the Fourth Proportional to 77,154.02, 115,739.23 and 24,551.20

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Solution

The fourth proportional to 77,154.02, 115,739.23 and 24,551.20 is: 36,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,154.02 : 115,739.23 = 24,551.20 : x
  2. Step 2: Convert to fraction form
    77,154.02/115,739.23 = 24,551.20/x
  3. Step 3: Cross multiply
    77,154.02x = 115,739.23 × 24,551.20
  4. Step 4: Simplify right side
    77,154.02x = 2,841,537,112.91
  5. Step 5: Solve for x
    x = 2,841,537,112.91/77,154.02
  6. Step 6: Final answer
    x = 36,829.41

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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.