Home / 134,209.10-201,313.65-72,001.10

Finding the Fourth Proportional to 134,209.10, 201,313.65 and 72,001.10

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Solution

The fourth proportional to 134,209.10, 201,313.65 and 72,001.10 is: 108,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,209.10 : 201,313.65 = 72,001.10 : x
  2. Step 2: Convert to fraction form
    134,209.10/201,313.65 = 72,001.10/x
  3. Step 3: Cross multiply
    134,209.10x = 201,313.65 × 72,001.10
  4. Step 4: Simplify right side
    134,209.10x = 14,494,804,245.02
  5. Step 5: Solve for x
    x = 14,494,804,245.02/134,209.10
  6. Step 6: Final answer
    x = 108,001.65

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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.