Home / 201,707.10-302,560.65-131,204.70

Finding the Fourth Proportional to 201,707.10, 302,560.65 and 131,204.70

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Solution

The fourth proportional to 201,707.10, 302,560.65 and 131,204.70 is: 196,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,707.10 : 302,560.65 = 131,204.70 : x
  2. Step 2: Convert to fraction form
    201,707.10/302,560.65 = 131,204.70/x
  3. Step 3: Cross multiply
    201,707.10x = 302,560.65 × 131,204.70
  4. Step 4: Simplify right side
    201,707.10x = 39,697,379,315.06
  5. Step 5: Solve for x
    x = 39,697,379,315.06/201,707.10
  6. Step 6: Final answer
    x = 196,807.05

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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.