Home / 134,301.80-201,209.70-106,405.40

Finding the Fourth Proportional to 134,301.80, 201,209.70 and 106,405.40

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Solution

The fourth proportional to 134,301.80, 201,209.70 and 106,405.40 is: 159,415.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,301.80 : 201,209.70 = 106,405.40 : x
  2. Step 2: Convert to fraction form
    134,301.80/201,209.70 = 106,405.40/x
  3. Step 3: Cross multiply
    134,301.80x = 201,209.70 × 106,405.40
  4. Step 4: Simplify right side
    134,301.80x = 21,409,798,612.38
  5. Step 5: Solve for x
    x = 21,409,798,612.38/134,301.80
  6. Step 6: Final answer
    x = 159,415.57

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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.