Home / 124,378.24-171,468.06-105,180.88

Finding the Fourth Proportional to 124,378.24, 171,468.06 and 105,180.88

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Solution

The fourth proportional to 124,378.24, 171,468.06 and 105,180.88 is: 145,002.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,378.24 : 171,468.06 = 105,180.88 : x
  2. Step 2: Convert to fraction form
    124,378.24/171,468.06 = 105,180.88/x
  3. Step 3: Cross multiply
    124,378.24x = 171,468.06 × 105,180.88
  4. Step 4: Simplify right side
    124,378.24x = 18,035,161,442.69
  5. Step 5: Solve for x
    x = 18,035,161,442.69/124,378.24
  6. Step 6: Final answer
    x = 145,002.55

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1.5x scale

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.