Home / 149,510.88-206,323.38-81,527.63

Finding the Fourth Proportional to 149,510.88, 206,323.38 and 81,527.63

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Solution

The fourth proportional to 149,510.88, 206,323.38 and 81,527.63 is: 112,507.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,510.88 : 206,323.38 = 81,527.63 : x
  2. Step 2: Convert to fraction form
    149,510.88/206,323.38 = 81,527.63/x
  3. Step 3: Cross multiply
    149,510.88x = 206,323.38 × 81,527.63
  4. Step 4: Simplify right side
    149,510.88x = 16,821,055,153.37
  5. Step 5: Solve for x
    x = 16,821,055,153.37/149,510.88
  6. Step 6: Final answer
    x = 112,507.23

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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.