Home / 133,989.03-201,013.71-45,240.18

Finding the Fourth Proportional to 133,989.03, 201,013.71 and 45,240.18

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Solution

The fourth proportional to 133,989.03, 201,013.71 and 45,240.18 is: 67,870.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,989.03 : 201,013.71 = 45,240.18 : x
  2. Step 2: Convert to fraction form
    133,989.03/201,013.71 = 45,240.18/x
  3. Step 3: Cross multiply
    133,989.03x = 201,013.71 × 45,240.18
  4. Step 4: Simplify right side
    133,989.03x = 9,093,896,422.87
  5. Step 5: Solve for x
    x = 9,093,896,422.87/133,989.03
  6. Step 6: Final answer
    x = 67,870.45

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1.5x scale

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.