Home / 134,488.38-201,759.12-39,720.18

Finding the Fourth Proportional to 134,488.38, 201,759.12 and 39,720.18

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Solution

The fourth proportional to 134,488.38, 201,759.12 and 39,720.18 is: 59,588.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,488.38 : 201,759.12 = 39,720.18 : x
  2. Step 2: Convert to fraction form
    134,488.38/201,759.12 = 39,720.18/x
  3. Step 3: Cross multiply
    134,488.38x = 201,759.12 × 39,720.18
  4. Step 4: Simplify right side
    134,488.38x = 8,013,908,563.04
  5. Step 5: Solve for x
    x = 8,013,908,563.04/134,488.38
  6. Step 6: Final answer
    x = 59,588.11

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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.