Home / 124,309.08-171,541.46-75,991.91

Finding the Fourth Proportional to 124,309.08, 171,541.46 and 75,991.91

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Solution

The fourth proportional to 124,309.08, 171,541.46 and 75,991.91 is: 104,865.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,309.08 : 171,541.46 = 75,991.91 : x
  2. Step 2: Convert to fraction form
    124,309.08/171,541.46 = 75,991.91/x
  3. Step 3: Cross multiply
    124,309.08x = 171,541.46 × 75,991.91
  4. Step 4: Simplify right side
    124,309.08x = 13,035,762,521.86
  5. Step 5: Solve for x
    x = 13,035,762,521.86/124,309.08
  6. Step 6: Final answer
    x = 104,865.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.