Home / 149,510.23-206,322.61-81,527.04

Finding the Fourth Proportional to 149,510.23, 206,322.61 and 81,527.04

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Solution

The fourth proportional to 149,510.23, 206,322.61 and 81,527.04 is: 112,506.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,510.23 : 206,322.61 = 81,527.04 : x
  2. Step 2: Convert to fraction form
    149,510.23/206,322.61 = 81,527.04/x
  3. Step 3: Cross multiply
    149,510.23x = 206,322.61 × 81,527.04
  4. Step 4: Simplify right side
    149,510.23x = 16,820,871,678.37
  5. Step 5: Solve for x
    x = 16,820,871,678.37/149,510.23
  6. Step 6: Final answer
    x = 112,506.49

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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.