Home / 109,053.02-163,579.53-30,165.20

Finding the Fourth Proportional to 109,053.02, 163,579.53 and 30,165.20

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Solution

The fourth proportional to 109,053.02, 163,579.53 and 30,165.20 is: 45,247.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,053.02 : 163,579.53 = 30,165.20 : x
  2. Step 2: Convert to fraction form
    109,053.02/163,579.53 = 30,165.20/x
  3. Step 3: Cross multiply
    109,053.02x = 163,579.53 × 30,165.20
  4. Step 4: Simplify right side
    109,053.02x = 4,934,409,238.36
  5. Step 5: Solve for x
    x = 4,934,409,238.36/109,053.02
  6. Step 6: Final answer
    x = 45,247.80

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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.