Home / 124,521.09-186,670.68-45,616.86

Finding the Fourth Proportional to 124,521.09, 186,670.68 and 45,616.86

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Solution

The fourth proportional to 124,521.09, 186,670.68 and 45,616.86 is: 68,384.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521.09 : 186,670.68 = 45,616.86 : x
  2. Step 2: Convert to fraction form
    124,521.09/186,670.68 = 45,616.86/x
  3. Step 3: Cross multiply
    124,521.09x = 186,670.68 × 45,616.86
  4. Step 4: Simplify right side
    124,521.09x = 8,515,330,275.66
  5. Step 5: Solve for x
    x = 8,515,330,275.66/124,521.09
  6. Step 6: Final answer
    x = 68,384.64

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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.