Home / 109,127.02-163,693.10-30,241.93

Finding the Fourth Proportional to 109,127.02, 163,693.10 and 30,241.93

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Solution

The fourth proportional to 109,127.02, 163,693.10 and 30,241.93 is: 45,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,127.02 : 163,693.10 = 30,241.93 : x
  2. Step 2: Convert to fraction form
    109,127.02/163,693.10 = 30,241.93/x
  3. Step 3: Cross multiply
    109,127.02x = 163,693.10 × 30,241.93
  4. Step 4: Simplify right side
    109,127.02x = 4,950,395,271.68
  5. Step 5: Solve for x
    x = 4,950,395,271.68/109,127.02
  6. Step 6: Final answer
    x = 45,363.61

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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.