Home / 134,478.12-201,670.12-39,683.15

Finding the Fourth Proportional to 134,478.12, 201,670.12 and 39,683.15

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Solution

The fourth proportional to 134,478.12, 201,670.12 and 39,683.15 is: 59,510.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,478.12 : 201,670.12 = 39,683.15 : x
  2. Step 2: Convert to fraction form
    134,478.12/201,670.12 = 39,683.15/x
  3. Step 3: Cross multiply
    134,478.12x = 201,670.12 × 39,683.15
  4. Step 4: Simplify right side
    134,478.12x = 8,002,905,419.99
  5. Step 5: Solve for x
    x = 8,002,905,419.99/134,478.12
  6. Step 6: Final answer
    x = 59,510.83

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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.