Home / 149,118.72-223,670.76-55,617.20

Finding the Fourth Proportional to 149,118.72, 223,670.76 and 55,617.20

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Solution

The fourth proportional to 149,118.72, 223,670.76 and 55,617.20 is: 83,423.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,118.72 : 223,670.76 = 55,617.20 : x
  2. Step 2: Convert to fraction form
    149,118.72/223,670.76 = 55,617.20/x
  3. Step 3: Cross multiply
    149,118.72x = 223,670.76 × 55,617.20
  4. Step 4: Simplify right side
    149,118.72x = 12,439,941,393.07
  5. Step 5: Solve for x
    x = 12,439,941,393.07/149,118.72
  6. Step 6: Final answer
    x = 83,423.07

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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.