Home / 134,209.60-201,314.40-72,001.60

Finding the Fourth Proportional to 134,209.60, 201,314.40 and 72,001.60

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Solution

The fourth proportional to 134,209.60, 201,314.40 and 72,001.60 is: 108,002.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,209.60 : 201,314.40 = 72,001.60 : x
  2. Step 2: Convert to fraction form
    134,209.60/201,314.40 = 72,001.60/x
  3. Step 3: Cross multiply
    134,209.60x = 201,314.40 × 72,001.60
  4. Step 4: Simplify right side
    134,209.60x = 14,494,958,903.04
  5. Step 5: Solve for x
    x = 14,494,958,903.04/134,209.60
  6. Step 6: Final answer
    x = 108,002.40

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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.