Home / 109,126.02-163,691.60-30,240.93

Finding the Fourth Proportional to 109,126.02, 163,691.60 and 30,240.93

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Solution

The fourth proportional to 109,126.02, 163,691.60 and 30,240.93 is: 45,362.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,126.02 : 163,691.60 = 30,240.93 : x
  2. Step 2: Convert to fraction form
    109,126.02/163,691.60 = 30,240.93/x
  3. Step 3: Cross multiply
    109,126.02x = 163,691.60 × 30,240.93
  4. Step 4: Simplify right side
    109,126.02x = 4,950,186,217.19
  5. Step 5: Solve for x
    x = 4,950,186,217.19/109,126.02
  6. Step 6: Final answer
    x = 45,362.11

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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.